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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
1Tenda
1Ch22 Firmware
Jun 17, 2026
Sep 2, 2025
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability was identified in Tenda CH22 1.0.0.1. This issue affects the function formSetSambaConf of the file /goform/SetSambaConf. The manipulation of the argument samba_userNameSda leads to buffer overflow. It is...Show more
A vulnerability was identified in Tenda CH22 1.0.0.1. This issue affects the function formSetSambaConf of the file /goform/SetSambaConf. The manipulation of the argument samba_userNameSda leads to buffer overflow. It is possible to initiate the attack remotely. The exploit is publicly available and might be used.Show less
1Tenda
1Ch22 Firmware
Jun 17, 2026
Sep 2, 2025
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability was determined in Tenda CH22 1.0.0.1. This vulnerability affects the function formexeCommand of the file /goform/exeCommand. Executing manipulation of the argument cmdinput can lead to buffer overflow. Th...Show more
A vulnerability was determined in Tenda CH22 1.0.0.1. This vulnerability affects the function formexeCommand of the file /goform/exeCommand. Executing manipulation of the argument cmdinput can lead to buffer overflow. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized.Show less
1Totolink
1A702r Firmware
Jun 17, 2026
Sep 1, 2025
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability was determined in TOTOLINK A702R 4.0.0-B20211108.1423. This issue affects the function sub_418030 of the file /boafrm/formParentControl. Executing manipulation of the argument submit-url can lead to buffe...Show more
A vulnerability was determined in TOTOLINK A702R 4.0.0-B20211108.1423. This issue affects the function sub_418030 of the file /boafrm/formParentControl. Executing manipulation of the argument submit-url can lead to buffer overflow. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized.Show less
1Totolink
1A702r Firmware
Jun 17, 2026
Sep 1, 2025
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability was found in TOTOLINK A702R 4.0.0-B20211108.1423. This vulnerability affects the function sub_4466F8 of the file /boafrm/formOneKeyAccessButton. Performing manipulation of the argument submit-url results...Show more
A vulnerability was found in TOTOLINK A702R 4.0.0-B20211108.1423. This vulnerability affects the function sub_4466F8 of the file /boafrm/formOneKeyAccessButton. Performing manipulation of the argument submit-url results in buffer overflow. The attack may be initiated remotely. The exploit has been made public and could be used.Show less
1Totolink
1A702r Firmware
Jun 17, 2026
Sep 1, 2025
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability has been found in TOTOLINK A702R 4.0.0-B20211108.1423. This affects the function sub_4162DC of the file /boafrm/formFilter. Such manipulation of the argument ip6addr leads to buffer overflow. The attack c...Show more
A vulnerability has been found in TOTOLINK A702R 4.0.0-B20211108.1423. This affects the function sub_4162DC of the file /boafrm/formFilter. Such manipulation of the argument ip6addr 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
1A702r Firmware
Jun 17, 2026
Sep 1, 2025
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A flaw has been found in TOTOLINK A702R 4.0.0-B20211108.1423. Affected by this issue is the function sub_419BE0 of the file /boafrm/formIpQoS. This manipulation of the argument mac causes buffer overflow. The attack can...Show more
A flaw has been found in TOTOLINK A702R 4.0.0-B20211108.1423. Affected by this issue is the function sub_419BE0 of the file /boafrm/formIpQoS. This manipulation of the argument mac causes buffer overflow. The attack can be initiated remotely. The exploit has been published and may be used.Show less
1Totolink
1A702r Firmware
Jun 17, 2026
Sep 1, 2025
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability was detected in TOTOLINK A702R 4.0.0-B20211108.1423. Affected by this vulnerability is the function sub_4162DC of the file /boafrm/formFilter. The manipulation of the argument ip6addr results in buffer ov...Show more
A vulnerability was detected in TOTOLINK A702R 4.0.0-B20211108.1423. Affected by this vulnerability is the function sub_4162DC of the file /boafrm/formFilter. The manipulation of the argument ip6addr results in buffer overflow. It is possible to launch the attack remotely. The exploit is now public and may be used.Show less
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-
Sep 2, 2025
Aug 30, 2025
8.4 HIGH· v4
N/A· v3
N/A· v2
WM Downloader version 3.1.2.2 is vulnerable to a buffer overflow when processing a specially crafted .m3u playlist file. The application fails to properly validate input length, allowing an attacker to overwrite structur...Show more
WM Downloader version 3.1.2.2 is vulnerable to a buffer overflow when processing a specially crafted .m3u playlist file. The application fails to properly validate input length, allowing an attacker to overwrite structured exception handler (SEH) records and execute arbitrary code. Exploitation occurs locally when a user opens the malicious file, and the payload executes with the privileges of the current user.Show less
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-
Sep 2, 2025
Aug 30, 2025
10.0 CRITICAL· v4
N/A· v3
N/A· v2
BS.Player version 2.57 (build 1051) contains a vulnerability in its playlist import functionality. When processing .m3u files, the application fails to properly validate the length of playlist entries, resulting in a buf...Show more
BS.Player version 2.57 (build 1051) contains a vulnerability in its playlist import functionality. When processing .m3u files, the application fails to properly validate the length of playlist entries, resulting in a buffer overflow condition. This flaw occurs during parsing of long URLs embedded in the playlist, allowing overwrite of Structured Exception Handler (SEH) records. The vulnerability is triggered upon opening a crafted playlist file and affects the Unicode parsing logic in the Windows client.Show less
1Qnap
2Qts
Quts Hero
Jun 17, 2026
Aug 29, 2025
2.3 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 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 5.2.5.3145 build 20250526 and later QuTS hero h5.2.5.3138 build 20250519 and laterShow less
1Apple
1Macos
Jun 17, 2026
Aug 29, 2025
N/A· v4
4.3 MEDIUM· v3
N/A· v2
The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.2. Parsing a maliciously crafted file may lead to an unexpected app termination.
1Tenda
1Ac6 Firmware
Jun 17, 2026
Aug 27, 2025
N/A· v4
6.5 MEDIUM· v3
N/A· v2
Tenda AC6 V15.03.06.23_multi was discovered to contain a buffer overflow via the list parameter in the fromSetIpMacBind function.
1Tenda
1Ch22 Firmware
Jun 17, 2026
Aug 26, 2025
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A flaw has been found in Tenda CH22 1.0.0.1. This vulnerability affects the function formeditUserName of the file /goform/editUserName. Executing manipulation of the argument new_account can lead to buffer overflow. It i...Show more
A flaw has been found in Tenda CH22 1.0.0.1. This vulnerability affects the function formeditUserName of the file /goform/editUserName. Executing manipulation of the argument new_account can lead to buffer overflow. It is possible to launch the attack remotely. The exploit has been published and may be used.Show less
1Dlink
1Di 8100 Firmware
Jun 17, 2026
Aug 25, 2025
N/A· v4
7.0 HIGH· v3
N/A· v2
D-Link DI-8100 16.07.26A1 is vulnerable to Buffer Overflow via the en`, `val and id parameters in the qj_asp function. This vulnerability allows authenticated attackers to cause a Denial of Service (DoS) by sending craft...Show more
D-Link DI-8100 16.07.26A1 is vulnerable to Buffer Overflow via the en`, `val and id parameters in the qj_asp function. This vulnerability allows authenticated attackers to cause a Denial of Service (DoS) by sending crafted GET requests with overly long values for these parameters.Show less
1Vim
1Vim
Jun 17, 2026
Aug 24, 2025
1.9 LOW· v4
5.5 MEDIUM· v3
4.3 MEDIUM· v2
A security flaw has been discovered in vim up to 9.1.1615. Affected by this vulnerability is the function main of the file src/xxd/xxd.c of the component xxd. The manipulation results in buffer overflow. The attack requi...Show more
A security flaw has been discovered in vim up to 9.1.1615. Affected by this vulnerability is the function main of the file src/xxd/xxd.c of the component xxd. The manipulation results in buffer overflow. The attack requires a local approach. The exploit has been released to the public and may be exploited. Upgrading to version 9.1.1616 addresses this issue. The patch is identified as eeef7c77436a78cd27047b0f5fa6925d56de3cb0. It is recommended to upgrade the affected component.Show less
1Tenda
1O3 Firmware
Jun 17, 2026
Aug 22, 2025
N/A· v4
9.8 CRITICAL· v3
N/A· v2
Tenda O3V2 1.0.0.12(3880) is vulnerable to Buffer Overflow in the fromSafeSetMacFilter function via the mac parameter.
1Dlink
1Dir 619l Firmware
Jun 17, 2026
Aug 22, 2025
N/A· v4
7.5 HIGH· v3
N/A· v2
D-Link DIR-619L 2.06B01 is vulnerable to Buffer Overflow in the formLanguageChange function via the nextPage parameter.
1Tenda
1Ax3 Firmware
Jun 17, 2026
Aug 22, 2025
N/A· v4
7.5 HIGH· v3
N/A· v2
Tenda AX3 V16.03.12.10_CN is vulnerable to Buffer Overflow in the fromAdvSetMacMtuWan function via the serverName parameter.
1Tenda
1Ax3 Firmware
Jun 17, 2026
Aug 22, 2025
N/A· v4
7.5 HIGH· v3
N/A· v2
Tenda AX3 V16.03.12.10_CN is vulnerable to Buffer Overflow in the saveParentControlInfo function via the deviceName parameter.
1Tenda
1Ax3 Firmware
Jun 17, 2026
Aug 22, 2025
N/A· v4
7.5 HIGH· v3
N/A· v2
Tenda AX3 V16.03.12.10_CN is vulnerable to Buffer Overflow in the fromSetSysTime function via the ntpServer parameter.