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CWE-120

4,202 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 (4,202)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Qualcomm
45Fastconnect 6200 Firmware
Fastconnect 6700 FirmwareFastconnect 6900 Firmware+42 more
Jan 27, 2026
Jan 7, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Memory corruption while passing pages to DSP with an unaligned starting address.
1Qualcomm
45Fastconnect 6700 Firmware
Fastconnect 6900 FirmwareFastconnect 7800 Firmware+42 more
Jan 27, 2026
Jan 7, 2026
N/A· v4
6.7 MEDIUM· v3
N/A· v2
Memory corruption while parsing clock configuration data for a specific hardware type.
1Qualcomm
144Csra6620 Firmware
Csra6640 FirmwareFastconnect 6200 Firmware+141 more
Jan 27, 2026
Jan 7, 2026
N/A· v4
6.7 MEDIUM· v3
N/A· v2
Memory corruption while processing shared command buffer packet between camera userspace and kernel.
1Tenda
1Ac23 Firmware
Jan 15, 2026
Jan 6, 2026
7.4 HIGH· v4
9.8 CRITICAL· v3
9.0 HIGH· v2
A weakness has been identified in Tenda AC23 16.03.07.52. This affects the function sscanf of the file /goform/PowerSaveSet. Executing a manipulation of the argument Time can lead to buffer overflow. The attack can be la...Show more
A weakness has been identified in Tenda AC23 16.03.07.52. This affects the function sscanf of the file /goform/PowerSaveSet. Executing a manipulation of the argument Time can lead to buffer overflow. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks.Show less
1Samsung
4Exynos 1380 Firmware
Exynos 1480 FirmwareExynos 1580 Firmware+1 more
Jan 9, 2026
Jan 5, 2026
N/A· v4
8.4 HIGH· v3
N/A· v2
An issue was discovered in Samsung Mobile Processor Exynos 1380, 1480, 2400, and 1580. Incorrect Handling of the NL80211 vendor command leads to a buffer overflow during handling of an IOCTL message.
1Samsung
4Exynos 1380 Firmware
Exynos 1480 FirmwareExynos 1580 Firmware+1 more
Jan 9, 2026
Jan 5, 2026
N/A· v4
8.4 HIGH· v3
N/A· v2
An issue was discovered in the WiFi driver in Samsung Mobile Processor Exynos 1380, 1480, 2400, 1580. Mishandling of an NL80211 vendor command leads to a buffer overflow.
1Utt
1520w Firmware
Jan 12, 2026
Jan 5, 2026
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability has been found in UTT 进取 520W 1.7.7-180627. This issue affects the function strcpy of the file /goform/ConfigAdvideo. The manipulation of the argument timestart leads to buffer overflow. The attack is pos...Show more
A vulnerability has been found in UTT 进取 520W 1.7.7-180627. This issue affects the function strcpy of the file /goform/ConfigAdvideo. The manipulation of the argument timestart leads to buffer overflow. The attack is possible to be carried out 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
1520w Firmware
Jan 12, 2026
Jan 5, 2026
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A flaw has been found in UTT 进取 520W 1.7.7-180627. This vulnerability affects the function strcpy of the file /goform/formTaskEdit. Executing a manipulation of the argument selDateType can lead to buffer overflow. The at...Show more
A flaw has been found in UTT 进取 520W 1.7.7-180627. This vulnerability affects the function strcpy of the file /goform/formTaskEdit. Executing a manipulation of the argument selDateType can lead to buffer overflow. The attack can be executed remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.Show less
1Utt
1520w Firmware
Jan 12, 2026
Jan 5, 2026
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability was detected in UTT 进取 520W 1.7.7-180627. This affects the function strcpy of the file /goform/formPptpClientConfig. Performing a manipulation of the argument EncryptionMode results in buffer overflow. Re...Show more
A vulnerability was detected in UTT 进取 520W 1.7.7-180627. This affects the function strcpy of the file /goform/formPptpClientConfig. Performing a manipulation of the argument EncryptionMode results in buffer overflow. Remote exploitation of the attack is possible. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.Show less
1Utt
1520w Firmware
Jan 12, 2026
Jan 5, 2026
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A security vulnerability has been detected in UTT 进取 520W 1.7.7-180627. Affected by this issue is the function strcpy of the file /goform/formUser. Such manipulation of the argument passwd1 leads to buffer overflow. The...Show more
A security vulnerability has been detected in UTT 进取 520W 1.7.7-180627. Affected by this issue is the function strcpy of the file /goform/formUser. Such manipulation of the argument passwd1 leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.Show less
1Qnap
2Qts
Quts Hero
Jan 6, 2026
Jan 2, 2026
1.2 LOW· v4
6.5 MEDIUM· v3
N/A· v2
A buffer overflow vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to modify memory or crash p...Show more
A buffer overflow vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to modify memory or crash processes. We have already fixed the vulnerability in the following version: QTS 5.2.8.3332 build 20251128 and laterShow less
1Qnap
2Qts
Quts Hero
Jan 5, 2026
Jan 2, 2026
1.3 LOW· v4
8.1 HIGH· v3
N/A· v2
A buffer overflow vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains a user account, they can then exploit the vulnerability to modify memory or crash processes....Show more
A buffer overflow vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains a user account, they can then exploit the vulnerability to modify memory or crash processes. We have already fixed the vulnerability in the following versions: QTS 5.2.7.3256 build 20250913 and later QuTS hero h5.2.7.3256 build 20250913 and later QuTS hero h5.3.0.3192 build 20250716 and laterShow less
1Qnap
2Qts
Quts Hero
Jan 5, 2026
Jan 2, 2026
1.3 LOW· v4
8.1 HIGH· v3
N/A· v2
A buffer overflow vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains a user account, they can then exploit the vulnerability to modify memory or crash processes....Show more
A buffer overflow vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains a user account, they can then exploit the vulnerability to modify memory or crash processes. We have already fixed the vulnerability in the following versions: QTS 5.2.7.3256 build 20250913 and later QuTS hero h5.2.7.3256 build 20250913 and later QuTS hero h5.3.0.3192 build 20250716 and laterShow less
1Qnap
2Qts
Quts Hero
Jan 5, 2026
Jan 2, 2026
1.3 LOW· v4
8.1 HIGH· v3
N/A· v2
A buffer overflow vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains a user account, they can then exploit the vulnerability to modify memory or crash processes....Show more
A buffer overflow vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains a user account, they can then exploit the vulnerability to modify memory or crash processes. We have already fixed the vulnerability in the following versions: QTS 5.2.7.3256 build 20250913 and later QuTS hero h5.2.7.3256 build 20250913 and later QuTS hero h5.3.0.3192 build 20250716 and laterShow less
1Utt
1512w Firmware
Feb 23, 2026
Jan 2, 2026
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A flaw has been found in UTT 进取 512W 1.7.7-171114. This affects the function strcpy of the file /goform/formFtpServerDirConfig. Executing a manipulation of the argument filename can lead to buffer overflow. The attack ca...Show more
A flaw has been found in UTT 进取 512W 1.7.7-171114. This affects the function strcpy of the file /goform/formFtpServerDirConfig. Executing a manipulation of the argument filename can lead to buffer overflow. The attack can be launched remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.Show less
1Utt
1512w Firmware
Feb 23, 2026
Jan 2, 2026
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability was detected in UTT 进取 512W 1.7.7-171114. Affected by this issue is the function strcpy of the file /goform/formFtpServerShareDirSelcet. Performing a manipulation of the argument oldfilename results in bu...Show more
A vulnerability was detected in UTT 进取 512W 1.7.7-171114. Affected by this issue is the function strcpy of the file /goform/formFtpServerShareDirSelcet. Performing a manipulation of the argument oldfilename results in buffer overflow. The attack can be initiated remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.Show less
1Utt
1512w Firmware
Jan 12, 2026
Jan 2, 2026
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A security vulnerability has been detected in UTT 进取 512W 1.7.7-171114. Affected by this vulnerability is the function strcpy of the file /goform/formConfigCliForEngineerOnly. Such manipulation of the argument addCommand...Show more
A security vulnerability has been detected in UTT 进取 512W 1.7.7-171114. Affected by this vulnerability is the function strcpy of the file /goform/formConfigCliForEngineerOnly. Such manipulation of the argument addCommand leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.Show less
1Utt
1512w Firmware
Jan 12, 2026
Jan 2, 2026
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A weakness has been identified in UTT 进取 512W 1.7.7-171114. Affected is the function strcpy of the file /goform/formRemoteControl. This manipulation of the argument Profile causes buffer overflow. It is possible to initi...Show more
A weakness has been identified in UTT 进取 512W 1.7.7-171114. Affected is the function strcpy of the file /goform/formRemoteControl. This manipulation of the argument Profile causes buffer overflow. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.Show less
1Tenda
1Ac20 Firmware
Dec 31, 2025
Dec 30, 2025
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability has been found in Tenda AC20 up to 16.03.08.12. The impacted element is the function sscanf of the file /goform/PowerSaveSet. The manipulation of the argument powerSavingEn/time/powerSaveDelay/ledCloseTyp...Show more
A vulnerability has been found in Tenda AC20 up to 16.03.08.12. The impacted element is the function sscanf of the file /goform/PowerSaveSet. The manipulation of the argument powerSavingEn/time/powerSaveDelay/ledCloseType leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.Show less
1Tenda
1Ac10u Firmware
Feb 24, 2026
Dec 30, 2025
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A weakness has been identified in Tenda AC10U 15.03.06.48/15.03.06.49. Affected by this vulnerability is the function fromadvsetlanip of the file /goform/AdvSetLanip of the component POST Request Parameter Handler. Execu...Show more
A weakness has been identified in Tenda AC10U 15.03.06.48/15.03.06.49. Affected by this vulnerability is the function fromadvsetlanip of the file /goform/AdvSetLanip of the component POST Request Parameter Handler. Executing a manipulation of the argument lanMask can lead to buffer overflow. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks.Show less