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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
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.
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 formSysCmd function via the submit-url 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 formWlanSetup function via the parameter f_wds_wepKey.
1Spimsimulator
1Spim
Jun 17, 2026
Aug 22, 2025
N/A· v4
9.8 CRITICAL· v3
N/A· v2
spimsimulator spim v9.1.24 and before is vulnerable to Buffer Overflow in READ_STRING_SYSCALL.
1Totolink
1A720r Firmware
Jun 17, 2026
Aug 21, 2025
7.4 HIGH· v4
9.8 CRITICAL· v3
9.0 HIGH· v2
A security flaw has been discovered in TOTOLINK A720R 4.1.5cu.630_B20250509. This issue affects the function setParentalRules of the file /cgi-bin/cstecgi.cgi. Performing manipulation of the argument desc results in buff...Show more
A security flaw has been discovered in TOTOLINK A720R 4.1.5cu.630_B20250509. This issue affects the function setParentalRules of the file /cgi-bin/cstecgi.cgi. Performing manipulation of the argument desc results in buffer overflow. The attack is possible to be carried out remotely. The exploit has been released to the public and may be exploited.Show less
1Espressif
1Esp Idf
Jun 17, 2026
Aug 21, 2025
5.2 MEDIUM· v4
8.8 HIGH· v3
N/A· v2
ESF-IDF is the Espressif Internet of Things (IOT) Development Framework. The BluFi example bundled in ESP-IDF was vulnerable to memory overflows in two areas: Wi-Fi credential handling and Diffie–Hellman key exchange. Th...Show more
ESF-IDF is the Espressif Internet of Things (IOT) Development Framework. The BluFi example bundled in ESP-IDF was vulnerable to memory overflows in two areas: Wi-Fi credential handling and Diffie–Hellman key exchange. This vulnerability is fixed in 5.4.1, 5.3.3, 5.1.6, and 5.0.9.Show less
-
-
Aug 22, 2025
Aug 20, 2025
8.5 HIGH· v4
N/A· v3
N/A· v2
Subtitle Processor 7.7.1 contains a buffer overflow vulnerability in its .m3u file parser. When a crafted playlist file is opened, the application converts input to Unicode and copies it to a fixed-size stack buffer with...Show more
Subtitle Processor 7.7.1 contains a buffer overflow vulnerability in its .m3u file parser. When a crafted playlist file is opened, the application converts input to Unicode and copies it to a fixed-size stack buffer without proper bounds checking. This allows an attacker to overwrite the Structured Exception Handler (SEH) and execute arbitrary code.Show less
-
-
Aug 22, 2025
Aug 20, 2025
8.6 HIGH· v4
N/A· v3
N/A· v2
SPlayer version 3.7 and earlier is vulnerable to a stack-based buffer overflow when processing HTTP responses containing an overly long Content-Type header. The vulnerability occurs due to improper bounds checking on the...Show more
SPlayer version 3.7 and earlier is vulnerable to a stack-based buffer overflow when processing HTTP responses containing an overly long Content-Type header. The vulnerability occurs due to improper bounds checking on the header value, allowing an attacker to overwrite the Structured Exception Handler (SEH) and execute arbitrary code. Exploitation requires the victim to open a media file that triggers an HTTP request to a malicious server, which responds with a crafted Content-Type header.Show less
1Tenda
1Ac6 Firmware
Jun 17, 2026
Aug 20, 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 ntpServer parameter in the fromSetSysTime function.
1Autodesk
10Advance Steel
AutocadAutocad Architecture+7 more
Jun 17, 2026
Aug 15, 2025
N/A· v4
7.8 HIGH· v3
N/A· v2
A maliciously crafted DGN file, when linked or imported into Autodesk AutoCAD, can force a Memory Corruption vulnerability. A malicious actor can leverage this vulnerability to execute arbitrary code in the context of th...Show more
A maliciously crafted DGN file, when linked or imported into Autodesk AutoCAD, can force a Memory Corruption vulnerability. A malicious actor can leverage this vulnerability to execute arbitrary code in the context of the current process.Show less