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CWE-120

4,224 CVEs • Abstraction: Base • Likelihood of Exploit: High

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.

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CVEs (4,224)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Totolink
1X15 Firmware
Jun 17, 2026
Jun 6, 2025
7.4 HIGH· v4
6.5 MEDIUM· v3
9.0 HIGH· v2
A vulnerability was found in TOTOLINK X15 1.0.0-B20230714.1105 and classified as critical. This issue affects some unknown processing of the file /boafrm/formWirelessTbl of the component HTTP POST Request Handler. The ma...Show more
A vulnerability was found in TOTOLINK X15 1.0.0-B20230714.1105 and classified as critical. This issue affects some unknown processing of the file /boafrm/formWirelessTbl of the component HTTP POST Request Handler. The manipulation of the argument submit-url leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.Show less
1Qnap
2Qts
Quts Hero
Jun 17, 2026
Jun 6, 2025
5.3 MEDIUM· v4
5.4 MEDIUM· v3
N/A· v2
A buffer overflow vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow remote attackers who have gained user access to modify memory or crash proce...Show more
A buffer overflow vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow remote attackers who have gained user access to modify memory or crash processes. We have already fixed the vulnerability in the following versions: QTS 5.2.4.3079 build 20250321 and later QuTS hero h5.2.4.3079 build 20250321 and laterShow less
1Totolink
1X15 Firmware
Jun 17, 2026
Jun 6, 2025
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability classified as critical has been found in TOTOLINK X15 1.0.0-B20230714.1105. This affects an unknown part of the file /boafrm/formSaveConfig of the component HTTP POST Request Handler. The manipulation of...Show more
A vulnerability classified as critical has been found in TOTOLINK X15 1.0.0-B20230714.1105. This affects an unknown part of the file /boafrm/formSaveConfig of the component HTTP POST Request Handler. The manipulation of the argument submit-url leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.Show less
1Totolink
1X15 Firmware
Jun 17, 2026
Jun 6, 2025
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability was found in TOTOLINK X15 1.0.0-B20230714.1105. It has been rated as critical. Affected by this issue is some unknown functionality of the file /boafrm/formStats of the component HTTP POST Request Handler...Show more
A vulnerability was found in TOTOLINK X15 1.0.0-B20230714.1105. It has been rated as critical. Affected by this issue is some unknown functionality of the file /boafrm/formStats of the component HTTP POST Request Handler. The manipulation of the argument submit-url leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.Show less
1Totolink
1X15 Firmware
Jun 17, 2026
Jun 6, 2025
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability was found in TOTOLINK X15 1.0.0-B20230714.1105. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the file /boafrm/formDosCfg of the component HTTP POST Reque...Show more
A vulnerability was found in TOTOLINK X15 1.0.0-B20230714.1105. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the file /boafrm/formDosCfg of the component HTTP POST Request Handler. The manipulation of the argument submit-url leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.Show less
1Totolink
1X15 Firmware
Jun 17, 2026
Jun 6, 2025
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability was found in TOTOLINK X15 1.0.0-B20230714.1105. It has been classified as critical. Affected is an unknown function of the file /boafrm/formNtp of the component HTTP POST Request Handler. The manipulation...Show more
A vulnerability was found in TOTOLINK X15 1.0.0-B20230714.1105. It has been classified as critical. Affected is an unknown function of the file /boafrm/formNtp of the component HTTP POST Request Handler. The manipulation of the argument submit-url leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.Show less
1Totolink
1X15 Firmware
Jun 17, 2026
Jun 6, 2025
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability was found in TOTOLINK X15 1.0.0-B20230714.1105 and classified as critical. This issue affects some unknown processing of the file /boafrm/formSetLg of the component HTTP POST Request Handler. The manipula...Show more
A vulnerability was found in TOTOLINK X15 1.0.0-B20230714.1105 and classified as critical. This issue affects some unknown processing of the file /boafrm/formSetLg of the component HTTP POST Request Handler. The manipulation of the argument submit-url leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.Show less
1Totolink
1X15 Firmware
Jun 17, 2026
Jun 6, 2025
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability has been found in TOTOLINK X15 1.0.0-B20230714.1105 and classified as critical. This vulnerability affects unknown code of the file /boafrm/formWlanRedirect of the component HTTP POST Request Handler. The...Show more
A vulnerability has been found in TOTOLINK X15 1.0.0-B20230714.1105 and classified as critical. This vulnerability affects unknown code of the file /boafrm/formWlanRedirect of the component HTTP POST Request Handler. The manipulation of the argument redirect-url leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.Show less
1Totolink
1N302r Plus Firmware
Jun 17, 2026
Jun 5, 2025
8.7 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability has been found in TOTOLINK N302R Plus up to 3.4.0-B20201028 and classified as critical. Affected by this vulnerability is an unknown functionality of the file /boafrm/formFilter of the component HTTP POST...Show more
A vulnerability has been found in TOTOLINK N302R Plus up to 3.4.0-B20201028 and classified as critical. Affected by this vulnerability is an unknown functionality of the file /boafrm/formFilter of the component HTTP POST Request Handler. The manipulation of the argument url leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.Show less
1Totolink
1N302r Plus Firmware
Jun 17, 2026
Jun 5, 2025
8.7 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability, which was classified as critical, was found in TOTOLINK N302R Plus up to 3.4.0-B20201028. Affected is an unknown function of the file /boafrm/formPortFw of the component HTTP POST Request Handler. The ma...Show more
A vulnerability, which was classified as critical, was found in TOTOLINK N302R Plus up to 3.4.0-B20201028. Affected is an unknown function of the file /boafrm/formPortFw of the component HTTP POST Request Handler. The manipulation of the argument service_type leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.Show less
1Freefloat
1Freefloat Ftp Server
Jun 17, 2026
Jun 5, 2025
6.9 MEDIUM· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
A vulnerability was found in FreeFloat FTP Server 1.0. It has been rated as critical. Affected by this issue is some unknown functionality of the component REIN Command Handler. The manipulation leads to buffer overflow....Show more
A vulnerability was found in FreeFloat FTP Server 1.0. It has been rated as critical. Affected by this issue is some unknown functionality of the component REIN Command Handler. The manipulation leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.Show less
1Freefloat
1Freefloat Ftp Server
Jun 17, 2026
Jun 5, 2025
6.9 MEDIUM· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
A vulnerability was found in FreeFloat FTP Server 1.0. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the component XMKD Command Handler. The manipulation leads to buffer...Show more
A vulnerability was found in FreeFloat FTP Server 1.0. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the component XMKD Command Handler. The manipulation leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.Show less
1Freefloat
1Freefloat Ftp Server
Jun 17, 2026
Jun 5, 2025
6.9 MEDIUM· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
A vulnerability was found in FreeFloat FTP Server 1.0. It has been classified as critical. Affected is an unknown function of the component XCWD Command Handler. The manipulation leads to buffer overflow. It is possible...Show more
A vulnerability was found in FreeFloat FTP Server 1.0. It has been classified as critical. Affected is an unknown function of the component XCWD Command Handler. The manipulation leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.Show less
1Freefloat
1Freefloat Ftp Server
Jun 17, 2026
Jun 5, 2025
6.9 MEDIUM· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
A vulnerability was found in FreeFloat FTP Server 1.0 and classified as critical. This issue affects some unknown processing of the component RESTART Command Handler. The manipulation leads to buffer overflow. The attack...Show more
A vulnerability was found in FreeFloat FTP Server 1.0 and classified as critical. This issue affects some unknown processing of the component RESTART Command Handler. The manipulation leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.Show less
1Pcman
1Ftp Server
Jun 17, 2026
Jun 5, 2025
6.9 MEDIUM· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
A vulnerability, which was classified as critical, was found in PCMan FTP Server 2.0.7. Affected is an unknown function of the component SYSTEM Command Handler. The manipulation leads to buffer overflow. It is possible t...Show more
A vulnerability, which was classified as critical, was found in PCMan FTP Server 2.0.7. Affected is an unknown function of the component SYSTEM Command Handler. The manipulation leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.Show less
1Pcman
1Ftp Server
Jun 17, 2026
Jun 5, 2025
6.9 MEDIUM· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
A vulnerability, which was classified as critical, has been found in PCMan FTP Server 2.0.7. This issue affects some unknown processing of the component SET Command Handler. The manipulation leads to buffer overflow. The...Show more
A vulnerability, which was classified as critical, has been found in PCMan FTP Server 2.0.7. This issue affects some unknown processing of the component SET Command Handler. The manipulation leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.Show less
1Pcman Ftp Server Project
1Pcman Ftp Server
Jun 17, 2026
Jun 5, 2025
6.9 MEDIUM· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
A vulnerability classified as critical was found in PCMan FTP Server 2.0.7. This vulnerability affects unknown code of the component PLS Command Handler. The manipulation leads to buffer overflow. The attack can be initi...Show more
A vulnerability classified as critical was found in PCMan FTP Server 2.0.7. This vulnerability affects unknown code of the component PLS Command Handler. The manipulation leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.Show less
1Pcman
1Ftp Server
Jun 17, 2026
Jun 5, 2025
6.9 MEDIUM· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
A vulnerability classified as critical has been found in PCMan FTP Server 2.0.7. This affects an unknown part of the component NOOP Command Handler. The manipulation leads to buffer overflow. It is possible to initiate t...Show more
A vulnerability classified as critical has been found in PCMan FTP Server 2.0.7. This affects an unknown part of the component NOOP Command Handler. The manipulation leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.Show less
1Tenda
1Ac10 Firmware
Jun 17, 2026
Jun 5, 2025
8.7 HIGH· v4
9.8 CRITICAL· v3
9.0 HIGH· v2
A vulnerability, which was classified as critical, was found in Tenda AC10 up to 15.03.06.47. This affects the function formSetPPTPServer of the file /goform/SetPptpServerCfg of the component HTTP Handler. The manipulati...Show more
A vulnerability, which was classified as critical, was found in Tenda AC10 up to 15.03.06.47. This affects the function formSetPPTPServer of the file /goform/SetPptpServerCfg of the component HTTP Handler. The manipulation of the argument startIp/endIp leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.Show less
1Tenda
1Ac18 Firmware
Jun 17, 2026
Jun 4, 2025
8.7 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability classified as critical was found in Tenda AC18 15.03.05.05. Affected by this vulnerability is the function fromadvsetlanip of the file /goform/AdvSetLanip. The manipulation of the argument lanMask leads t...Show more
A vulnerability classified as critical was found in Tenda AC18 15.03.05.05. Affected by this vulnerability is the function fromadvsetlanip of the file /goform/AdvSetLanip. The manipulation of the argument lanMask leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.Show less