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CWE-121

3,767 CVEs • Abstraction: Variant • Likelihood of Exploit: High

Stack-based Buffer Overflow

A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).

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CVEs (3,767)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Qnap
3Qts
Quts HeroQutscloud
Jun 17, 2026
Feb 2, 2024
N/A· v4
7.2 HIGH· v3
N/A· v2
A buffer copy without checking size of input vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow authenticated administrators to execute code via...Show more
A buffer copy without checking size of input vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow authenticated administrators to execute code via a network. We have already fixed the vulnerability in the following versions: QTS 5.1.2.2533 build 20230926 and later QuTS hero h5.1.2.2534 build 20230927 and later QuTScloud c5.1.5.2651 and later Show less
1Qnap
3Qts
Quts HeroQutscloud
Jun 17, 2026
Feb 2, 2024
N/A· v4
7.2 HIGH· v3
N/A· v2
A buffer copy without checking size of input vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow authenticated administrators to execute code via...Show more
A buffer copy without checking size of input vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow authenticated administrators to execute code via a network. We have already fixed the vulnerability in the following versions: QTS 5.1.2.2533 build 20230926 and later QuTS hero h5.1.2.2534 build 20230927 and later QuTScloud c5.1.5.2651 and later Show less
1Totolink
1N200re Firmware
Jun 17, 2026
Jan 29, 2024
N/A· v4
7.2 HIGH· v3
8.3 HIGH· v2
A vulnerability, which was classified as critical, was found in Totolink N200RE 9.3.5u.6139_B20201216. This affects the function loginAuth of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument http_host lead...Show more
A vulnerability, which was classified as critical, was found in Totolink N200RE 9.3.5u.6139_B20201216. This affects the function loginAuth of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument http_host leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-252273 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.Show less
1Totolink
1N200re Firmware
Jun 17, 2026
Jan 29, 2024
N/A· v4
8.8 HIGH· v3
8.3 HIGH· v2
A vulnerability, which was classified as critical, has been found in Totolink N200RE 9.3.5u.6139_B20201216. Affected by this issue is the function setLanguageCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the...Show more
A vulnerability, which was classified as critical, has been found in Totolink N200RE 9.3.5u.6139_B20201216. Affected by this issue is the function setLanguageCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument lang leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-252272. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.Show less
1Totolink
1N200re Firmware
Jun 17, 2026
Jan 29, 2024
N/A· v4
8.8 HIGH· v3
8.3 HIGH· v2
A vulnerability classified as critical was found in Totolink N200RE 9.3.5u.6139_B20201216. Affected by this vulnerability is the function setIpPortFilterRules of the file /cgi-bin/cstecgi.cgi. The manipulation of the arg...Show more
A vulnerability classified as critical was found in Totolink N200RE 9.3.5u.6139_B20201216. Affected by this vulnerability is the function setIpPortFilterRules of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ePort leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-252271. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.Show less
1Totolink
1N200re Firmware
Jun 17, 2026
Jan 29, 2024
N/A· v4
9.8 CRITICAL· v3
8.3 HIGH· v2
A vulnerability classified as critical has been found in Totolink N200RE 9.3.5u.6139_B20201216. Affected is the function main of the file /cgi-bin/cstecgi.cgi. The manipulation leads to stack-based buffer overflow. It is...Show more
A vulnerability classified as critical has been found in Totolink N200RE 9.3.5u.6139_B20201216. Affected is the function main of the file /cgi-bin/cstecgi.cgi. The manipulation leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. VDB-252270 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.Show less
1Totolink
1N200re Firmware
Jun 17, 2026
Jan 29, 2024
N/A· v4
8.8 HIGH· v3
8.3 HIGH· v2
A vulnerability was found in Totolink N200RE 9.3.5u.6139_B20201216. It has been rated as critical. This issue affects the function setTracerouteCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument comma...Show more
A vulnerability was found in Totolink N200RE 9.3.5u.6139_B20201216. It has been rated as critical. This issue affects the function setTracerouteCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument command leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-252269 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.Show less
1Totolink
1N200re Firmware
Jun 17, 2026
Jan 29, 2024
N/A· v4
8.8 HIGH· v3
8.3 HIGH· v2
A vulnerability was found in Totolink N200RE 9.3.5u.6139_B20201216. It has been declared as critical. This vulnerability affects the function setParentalRules of the file /cgi-bin/cstecgi.cgi. The manipulation of the arg...Show more
A vulnerability was found in Totolink N200RE 9.3.5u.6139_B20201216. It has been declared as critical. This vulnerability affects the function setParentalRules of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument eTime leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-252268. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.Show less
1Totolink
1N200re Firmware
Jun 17, 2026
Jan 29, 2024
N/A· v4
8.8 HIGH· v3
8.3 HIGH· v2
A vulnerability was found in Totolink N200RE 9.3.5u.6139_B20201216. It has been classified as critical. This affects the function setDiagnosisCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ip lead...Show more
A vulnerability was found in Totolink N200RE 9.3.5u.6139_B20201216. It has been classified as critical. This affects the function setDiagnosisCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ip leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-252267. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.Show less
1Totolink
1N200re Firmware
Jun 17, 2026
Jan 29, 2024
N/A· v4
8.8 HIGH· v3
8.3 HIGH· v2
A vulnerability was found in Totolink N200RE 9.3.5u.6139_B20201216 and classified as critical. Affected by this issue is the function setOpModeCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument pppoeU...Show more
A vulnerability was found in Totolink N200RE 9.3.5u.6139_B20201216 and classified as critical. Affected by this issue is the function setOpModeCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument pppoeUser leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-252266 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.Show less
1Tenda
1I9 Firmware
Jun 17, 2026
Jan 29, 2024
N/A· v4
9.8 CRITICAL· v3
8.3 HIGH· v2
A vulnerability classified as critical has been found in Tenda i9 1.0.0.9(4122). This affects the function formSetCfm of the file /goform/setcfm of the component httpd. The manipulation of the argument funcpara1 leads to...Show more
A vulnerability classified as critical has been found in Tenda i9 1.0.0.9(4122). This affects the function formSetCfm of the file /goform/setcfm of the component httpd. The manipulation of the argument funcpara1 leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-252261 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.Show less
1Tenda
1W6 Firmware
Jun 17, 2026
Jan 29, 2024
N/A· v4
9.8 CRITICAL· v3
8.3 HIGH· v2
A vulnerability was found in Tenda W6 1.0.0.9(4122). It has been rated as critical. Affected by this issue is the function formwrlSSIDset of the file /goform/wifiSSIDset of the component httpd. The manipulation of the ar...Show more
A vulnerability was found in Tenda W6 1.0.0.9(4122). It has been rated as critical. Affected by this issue is the function formwrlSSIDset of the file /goform/wifiSSIDset of the component httpd. The manipulation of the argument index leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-252260. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.Show less
1Tenda
1W6 Firmware
Jun 17, 2026
Jan 29, 2024
N/A· v4
9.8 CRITICAL· v3
8.3 HIGH· v2
A vulnerability was found in Tenda W6 1.0.0.9(4122). It has been declared as critical. Affected by this vulnerability is the function formSetCfm of the file /goform/setcfm of the component httpd. The manipulation of the...Show more
A vulnerability was found in Tenda W6 1.0.0.9(4122). It has been declared as critical. Affected by this vulnerability is the function formSetCfm of the file /goform/setcfm of the component httpd. The manipulation of the argument funcpara1 leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-252259. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.Show less
1Tenda
1I6 Firmware
Jun 17, 2026
Jan 29, 2024
N/A· v4
9.8 CRITICAL· v3
8.3 HIGH· v2
A vulnerability was found in Tenda i6 1.0.0.9(3857). It has been classified as critical. Affected is the function formWifiMacFilterGet of the file /goform/WifiMacFilterGet of the component httpd. The manipulation of the...Show more
A vulnerability was found in Tenda i6 1.0.0.9(3857). It has been classified as critical. Affected is the function formWifiMacFilterGet of the file /goform/WifiMacFilterGet of the component httpd. The manipulation of the argument index leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. VDB-252258 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.Show less
1Tenda
1I6 Firmware
Jun 17, 2026
Jan 29, 2024
N/A· v4
9.8 CRITICAL· v3
8.3 HIGH· v2
A vulnerability was found in Tenda i6 1.0.0.9(3857) and classified as critical. This issue affects the function formwrlSSIDset of the file /goform/wifiSSIDset of the component httpd. The manipulation of the argument inde...Show more
A vulnerability was found in Tenda i6 1.0.0.9(3857) and classified as critical. This issue affects the function formwrlSSIDset of the file /goform/wifiSSIDset of the component httpd. The manipulation of the argument index leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-252257 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.Show less
1Tenda
1I6 Firmware
Jun 17, 2026
Jan 29, 2024
N/A· v4
9.8 CRITICAL· v3
8.3 HIGH· v2
A vulnerability has been found in Tenda i6 1.0.0.9(3857) and classified as critical. This vulnerability affects the function formSetCfm of the file /goform/setcfm of the component httpd. The manipulation of the argument...Show more
A vulnerability has been found in Tenda i6 1.0.0.9(3857) and classified as critical. This vulnerability affects the function formSetCfm of the file /goform/setcfm of the component httpd. The manipulation of the argument funcpara1 leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-252256. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.Show less
1Tenda
1I6 Firmware
Jun 17, 2026
Jan 29, 2024
N/A· v4
9.8 CRITICAL· v3
8.3 HIGH· v2
A vulnerability, which was classified as critical, was found in Tenda i6 1.0.0.9(3857). This affects the function formSetAutoPing of the file /goform/setAutoPing of the component httpd. The manipulation of the argument p...Show more
A vulnerability, which was classified as critical, was found in Tenda i6 1.0.0.9(3857). This affects the function formSetAutoPing of the file /goform/setAutoPing of the component httpd. The manipulation of the argument ping1 leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-252255. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.Show less
1Libcoap
1Libcoap
Jun 17, 2026
Jan 27, 2024
N/A· v4
7.8 HIGH· v3
7.5 HIGH· v2
A vulnerability was found in obgm libcoap 4.3.4. It has been rated as critical. Affected by this issue is the function get_split_entry of the file src/coap_oscore.c of the component Configuration File Handler. The manipu...Show more
A vulnerability was found in obgm libcoap 4.3.4. It has been rated as critical. Affected by this issue is the function get_split_entry of the file src/coap_oscore.c of the component Configuration File Handler. The manipulation leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. It is recommended to apply a patch to fix this issue. VDB-252206 is the identifier assigned to this vulnerability.Show less
1Tendacn
1Ac10u Firmware
Jun 17, 2026
Jan 26, 2024
N/A· v4
9.8 CRITICAL· v3
5.8 MEDIUM· v2
A vulnerability, which was classified as critical, has been found in Tenda AC10U 15.03.06.49_multi_TDE01. This issue affects the function setSmartPowerManagement. The manipulation of the argument time leads to stack-base...Show more
A vulnerability, which was classified as critical, has been found in Tenda AC10U 15.03.06.49_multi_TDE01. This issue affects the function setSmartPowerManagement. The manipulation of the argument time leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-252137 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.Show less
1Tendacn
1Ac10u Firmware
Jun 17, 2026
Jan 26, 2024
N/A· v4
9.8 CRITICAL· v3
5.8 MEDIUM· v2
A vulnerability classified as critical was found in Tenda AC10U 15.03.06.49_multi_TDE01. This vulnerability affects the function saveParentControlInfo. The manipulation of the argument deviceId/time/urls leads to stack-b...Show more
A vulnerability classified as critical was found in Tenda AC10U 15.03.06.49_multi_TDE01. This vulnerability affects the function saveParentControlInfo. The manipulation of the argument deviceId/time/urls leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-252136. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.Show less