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CWE-120

4,417 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 (4,417)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Qualcomm
27Qam8255p Firmware
Qam8295p FirmwareQam8620p Firmware+24 more
Jun 17, 2026
Jul 8, 2025
N/A· v4
7.8 HIGH· v3
N/A· v2
Memory corruption while copying the result to the transmission queue which is shared between the virtual machine and the host.
1Qualcomm
27Qam8255p Firmware
Qam8295p FirmwareQam8620p Firmware+24 more
Jun 17, 2026
Jul 8, 2025
N/A· v4
7.8 HIGH· v3
N/A· v2
Memory corruption while copying the result to the transmission queue in EMAC.
1Qualcomm
10Fastconnect 7800 Firmware
Snapdragon Ar1 Gen 1 Platform FirmwareSsg2115p Firmware+7 more
Jun 17, 2026
Jul 8, 2025
N/A· v4
7.8 HIGH· v3
N/A· v2
Memory corruption while processing camera TPG write request.
1Phoenixcontact
4Charx Sec 3000 Firmware
Charx Sec 3050 FirmwareCharx Sec 3100 Firmware+1 more
Jun 17, 2026
Jul 8, 2025
N/A· v4
5.2 MEDIUM· v3
N/A· v2
A physical attacker with access to the device display via USB-C can send a message to the device which triggers an unsecure copy to a buffer resulting in loss of integrity and a temporary denial-of-service for the statio...Show more
A physical attacker with access to the device display via USB-C can send a message to the device which triggers an unsecure copy to a buffer resulting in loss of integrity and a temporary denial-of-service for the stations until they got restarted by the watchdog.Show less
1Phoenixcontact
4Charx Sec 3000 Firmware
Charx Sec 3050 FirmwareCharx Sec 3100 Firmware+1 more
Jun 17, 2026
Jul 8, 2025
N/A· v4
8.2 HIGH· v3
N/A· v2
An unauthenticated remote attacker can use MQTT messages to trigger out-of-bounds writes in charging stations complying with German Calibration Law, resulting in a loss of integrity for only EichrechtAgents and potential...Show more
An unauthenticated remote attacker can use MQTT messages to trigger out-of-bounds writes in charging stations complying with German Calibration Law, resulting in a loss of integrity for only EichrechtAgents and potential denial-of-service for these stations.Show less
1Utt
1840g Firmware
Jun 17, 2026
Jul 7, 2025
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability, which was classified as critical, has been found in UTT HiPER 840G up to 3.1.1-190328. This issue affects some unknown processing of the file /goform/formPictureUrl. The manipulation of the argument impo...Show more
A vulnerability, which was classified as critical, has been found in UTT HiPER 840G up to 3.1.1-190328. This issue affects some unknown processing of the file /goform/formPictureUrl. The manipulation of the argument importpictureurl leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.Show less
1Utt
1840g Firmware
Jun 17, 2026
Jul 7, 2025
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability classified as critical was found in UTT HiPER 840G up to 3.1.1-190328. This vulnerability affects unknown code of the file /goform/websWhiteList. The manipulation of the argument addHostFilter leads to bu...Show more
A vulnerability classified as critical was found in UTT HiPER 840G up to 3.1.1-190328. This vulnerability affects unknown code of the file /goform/websWhiteList. The manipulation of the argument addHostFilter leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.Show less
1Utt
1750w Firmware
Jun 17, 2026
Jul 7, 2025
7.4 HIGH· v4
7.5 HIGH· v3
9.0 HIGH· v2
A vulnerability classified as critical has been found in UTT 进取 750W up to 3.2.2-191225. This affects an unknown part of the file /goform/Fast_wireless_conf. The manipulation of the argument ssid leads to buffer overflow...Show more
A vulnerability classified as critical has been found in UTT 进取 750W up to 3.2.2-191225. This affects an unknown part of the file /goform/Fast_wireless_conf. The manipulation of the argument ssid leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.Show less
1Szlbt
1Lbt T300 T310 Firmware
Jun 17, 2026
Jul 6, 2025
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability classified as critical has been found in Shenzhen Libituo Technology LBT-T300-T310 up to 2.2.3.6. This affects the function config_3g_para of the file /appy.cgi. The manipulation of the argument username_...Show more
A vulnerability classified as critical has been found in Shenzhen Libituo Technology LBT-T300-T310 up to 2.2.3.6. This affects the function config_3g_para of the file /appy.cgi. The manipulation of the argument username_3g/password_3g leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. Other parameters might be affected as well. The vendor was contacted early about this disclosure but did not respond in any way.Show less
1Tenda
1Ac6 Firmware
Jun 17, 2026
Jul 3, 2025
N/A· v4
8.1 HIGH· v3
N/A· v2
Tenda AC6 v15.03.05.16_multi is vulnerable to Buffer Overflow in the fromSetRouteStatic function via the list parameter.
1Tenda
1Ac6 Firmware
Jun 17, 2026
Jul 3, 2025
N/A· v4
7.5 HIGH· v3
N/A· v2
Tenda AC6 v15.03.05.16_multi is vulnerable to Buffer Overflow in the formSetQosBand function via the list parameter.
1Tenda
1Ac6 Firmware
Jun 17, 2026
Jul 3, 2025
N/A· v4
8.1 HIGH· v3
N/A· v2
Tenda AC6 v15.03.05.16_multi is vulnerable to Buffer Overflow in the SetSysTimeCfg function via the time parameter.
1Tenda
1Ac6 Firmware
Jun 17, 2026
Jul 1, 2025
N/A· v4
6.5 MEDIUM· v3
N/A· v2
Tenda AC6 15.03.05.16_multi is vulnerable to Buffer Overflow in the addWifiMacFilter function via the parameter deviceId.
1Totolink
1A3002ru Firmware
Jun 17, 2026
Jul 1, 2025
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability, which was classified as critical, was found in TOTOLINK A3002RU 3.0.0-B20230809.1615. Affected is an unknown function of the file /boafrm/formParentControl of the component HTTP POST Request Handler. The...Show more
A vulnerability, which was classified as critical, was found in TOTOLINK A3002RU 3.0.0-B20230809.1615. Affected is an unknown function of the file /boafrm/formParentControl 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
1A702r Firmware
Jun 17, 2026
Jul 1, 2025
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability classified as critical was found in TOTOLINK A702R 4.0.0-B20230721.1521. Affected by this vulnerability is an unknown functionality of the file /boafrm/formParentControl of the component HTTP POST Request...Show more
A vulnerability classified as critical was found in TOTOLINK A702R 4.0.0-B20230721.1521. Affected by this vulnerability is an unknown functionality of the file /boafrm/formParentControl 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
1A3002ru Firmware
Jun 17, 2026
Jul 1, 2025
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability classified as critical has been found in TOTOLINK A3002RU 3.0.0-B20230809.1615. Affected is an unknown function of the file /boafrm/formWlSiteSurvey of the component HTTP POST Request Handler. The manipul...Show more
A vulnerability classified as critical has been found in TOTOLINK A3002RU 3.0.0-B20230809.1615. Affected is an unknown function of the file /boafrm/formWlSiteSurvey 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
1Dlink
1Dir 513 Firmware
Jun 17, 2026
Jun 30, 2025
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability classified as critical has been found in D-Link DIR-513 1.0. This affects an unknown part of the file /goform/formSetWanPPTP. The manipulation of the argument curTime leads to buffer overflow. It is possi...Show more
A vulnerability classified as critical has been found in D-Link DIR-513 1.0. This affects an unknown part of the file /goform/formSetWanPPTP. The manipulation of the argument curTime leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.Show less
1Dlink
1Di 8100 Firmware
Jun 17, 2026
Jun 30, 2025
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability was found in D-Link DI-8100 16.07.21. It has been rated as critical. Affected by this issue is some unknown functionality of the file /pppoe_base.asp of the component jhttpd. The manipulation of the argum...Show more
A vulnerability was found in D-Link DI-8100 16.07.21. It has been rated as critical. Affected by this issue is some unknown functionality of the file /pppoe_base.asp of the component jhttpd. The manipulation of the argument mschap_en 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
1A702r Firmware
Jun 17, 2026
Jun 28, 2025
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability classified as critical was found in TOTOLINK A702R up to 4.0.0-B20230721.1521. Affected by this vulnerability is an unknown functionality of the file /boafrm/formWlSiteSurvey of the component HTTP POST Re...Show more
A vulnerability classified as critical was found in TOTOLINK A702R up to 4.0.0-B20230721.1521. Affected by this vulnerability is an unknown functionality of the file /boafrm/formWlSiteSurvey 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 28, 2025
7.4 HIGH· v4
7.5 HIGH· v3
9.0 HIGH· v2
A vulnerability classified as critical has been found in TOTOLINK X15 up to 1.0.0-B20230714.1105. Affected is an unknown function of the file /boafrm/formParentControl of the component HTTP POST Request Handler. The mani...Show more
A vulnerability classified as critical has been found in TOTOLINK X15 up to 1.0.0-B20230714.1105. Affected is an unknown function of the file /boafrm/formParentControl 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