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CWE-120

4,439 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 (4,439)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Xnview
1Nconvert
Jun 17, 2026
Oct 18, 2023
N/A· v4
7.8 HIGH· v3
N/A· v2
XNSoft Nconvert 7.136 is vulnerable to Buffer Overflow. There is a User Mode Write AV via a crafted image file. Attackers could exploit this issue for a Denial of Service (DoS) or possibly to achieve code execution.
1Covesa
1Dlt Daemon
Jun 17, 2026
Oct 17, 2023
N/A· v4
7.5 HIGH· v3
N/A· v2
Connected Vehicle Systems Alliance (COVESA) up to v2.18.8 was discovered to contain a buffer overflow via the component /shared/dlt_common.c.
1Zephyrproject
1Zephyr
Jun 17, 2026
Oct 13, 2023
N/A· v4
9.8 CRITICAL· v3
N/A· v2
Unchecked user input length in /subsys/net/l2/wifi/wifi_shell.c can cause buffer overflows.
1Zephyrproject
1Zephyr
Jun 17, 2026
Oct 13, 2023
N/A· v4
8.8 HIGH· v3
N/A· v2
Potential buffer overflow vulnerability in the Zephyr IEEE 802.15.4 nRF 15.4 driver
1Qnap
3Qts
Quts HeroQutscloud
Jun 17, 2026
Oct 13, 2023
N/A· v4
7.2 HIGH· v3
N/A· v2
A buffer copy without checking size of input vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow authenticated administrators to execute code via...Show more
A buffer copy without checking size of input vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow authenticated administrators to execute code via a network. We have already fixed the vulnerability in the following versions: QTS 5.0.1.2425 build 20230609 and later QTS 5.1.0.2444 build 20230629 and later QTS 4.5.4.2467 build 20230718 and later QuTS hero h5.0.1.2515 build 20230907 and later QuTS hero h5.1.0.2424 build 20230609 and later QuTS hero h4.5.4.2476 build 20230728 and later QuTScloud c5.1.0.2498 and later Show less
1Netis Systems
1N3m Firmware
Jun 17, 2026
Oct 13, 2023
N/A· v4
7.5 HIGH· v3
N/A· v2
Netis N3Mv2-V1.0.1.865 was discovered to contain a buffer overflow via the pingWdogIp. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.
1Netis Systems
1N3m Firmware
Jun 17, 2026
Oct 13, 2023
N/A· v4
7.5 HIGH· v3
N/A· v2
Netis N3Mv2-V1.0.1.865 was discovered to contain a buffer overflow via the servDomain parameter. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.
1Netis Systems
1N3m Firmware
Jun 17, 2026
Oct 13, 2023
N/A· v4
7.5 HIGH· v3
N/A· v2
Netis N3Mv2-V1.0.1.865 was discovered to contain a buffer overflow via the hostName parameter in the FUN_0040dabc function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.
1Zabbix
1Zabbix
Jun 17, 2026
Oct 12, 2023
N/A· v4
7.8 HIGH· v3
N/A· v2
The zabbix/src/libs/zbxjson module is vulnerable to a buffer overflow when parsing JSON files via zbx_json_open.
1Yifanwireless
1Yf325 Firmware
Jun 17, 2026
Oct 11, 2023
N/A· v4
9.8 CRITICAL· v3
N/A· v2
A buffer overflow vulnerability exists in the httpd next_page functionality of Yifan YF325 v1.0_20221108. A specially crafted network request can lead to command execution. An attacker can send a network request to trigg...Show more
A buffer overflow vulnerability exists in the httpd next_page functionality of Yifan YF325 v1.0_20221108. A specially crafted network request can lead to command execution. An attacker can send a network request to trigger this vulnerability.This buffer overflow is in the next_page parameter in the cgi_handler function.Show less
1Yifanwireless
1Yf325 Firmware
Jun 17, 2026
Oct 11, 2023
N/A· v4
9.8 CRITICAL· v3
N/A· v2
A buffer overflow vulnerability exists in the httpd next_page functionality of Yifan YF325 v1.0_20221108. A specially crafted network request can lead to command execution. An attacker can send a network request to trigg...Show more
A buffer overflow vulnerability exists in the httpd next_page functionality of Yifan YF325 v1.0_20221108. A specially crafted network request can lead to command execution. An attacker can send a network request to trigger this vulnerability.This buffer overflow is in the next_page parameter in the gozila_cgi function.Show less
1Mi
1Xiaomi Router Ax3200 Firmware
Jun 17, 2026
Oct 11, 2023
N/A· v4
8.1 HIGH· v3
N/A· v2
Improper Neutralization of Special Elements used in a Command ('Command Injection') vulnerability in Xiaomi Xiaomi Router allows Command Injection.
1Mi
1Xiaomi Router Ax3200 Firmware
Jun 17, 2026
Oct 11, 2023
N/A· v4
7.2 HIGH· v3
N/A· v2
Improper Neutralization of Special Elements used in a Command ('Command Injection') vulnerability in Xiaomi Xiaomi Router allows Command Injection.
1Mi
1Xiaomi Router Ax3200 Firmware
Jun 17, 2026
Oct 11, 2023
N/A· v4
7.2 HIGH· v3
N/A· v2
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in Xiaomi Xiaomi Router allows Overflow Buffers.
1Macrium
1Reflect
Jul 9, 2026
Oct 10, 2023
N/A· v4
7.8 HIGH· v3
N/A· v2
A buffer overflow in Macrium Reflect 8.1.7544 and below allows attackers to escalate privileges or execute arbitrary code.
2Arm
Trustedfirmware
2Mbed Tls
Mbed Tls
Jun 17, 2026
Oct 7, 2023
N/A· v4
9.8 CRITICAL· v3
N/A· v2
Mbed TLS 3.2.x through 3.4.x before 3.5 has a Buffer Overflow that can lead to remote Code execution.
3Arm
FedoraprojectTrustedfirmware
3Fedora
Mbed TlsMbed Tls
Jun 17, 2026
Oct 7, 2023
N/A· v4
7.5 HIGH· v3
N/A· v2
Mbed TLS 2.x before 2.28.5 and 3.x before 3.5.0 has a Buffer Overflow.
1Zephyrproject
1Zephyr
Jun 17, 2026
Oct 6, 2023
N/A· v4
9.8 CRITICAL· v3
N/A· v2
Potential buffer overflow vulnerability in the Zephyr CAN bus subsystem
1Qnap
3Qts
Quts HeroQutscloud
Jun 17, 2026
Oct 6, 2023
N/A· v4
7.2 HIGH· v3
N/A· v2
A buffer copy without checking size of input vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow authenticated administrators to execute code via...Show more
A buffer copy without checking size of input vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow authenticated administrators to execute code via a network. We have already fixed the vulnerability in the following versions: QTS 5.0.1.2425 build 20230609 and later QTS 5.1.0.2444 build 20230629 and later QTS 4.5.4.2467 build 20230718 and later QuTS hero h5.0.1.2515 build 20230907 and later QuTS hero h5.1.0.2424 build 20230609 and later QuTS hero h4.5.4.2476 build 20230728 and later QuTScloud c5.1.0.2498 and later Show less
1Qnap
3Qts
Quts HeroQutscloud
Jun 17, 2026
Oct 6, 2023
N/A· v4
7.2 HIGH· v3
N/A· v2
A buffer copy without checking size of input vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow authenticated administrators to execute code via...Show more
A buffer copy without checking size of input vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow authenticated administrators to execute code via a network. We have already fixed the vulnerability in the following versions: QTS 5.0.1.2425 build 20230609 and later QTS 5.1.0.2444 build 20230629 and later QTS 4.5.4.2467 build 20230718 and later QuTS hero h5.0.1.2515 build 20230907 and later QuTS hero h5.1.0.2424 build 20230609 and later QuTS hero h4.5.4.2476 build 20230728 and later QuTScloud c5.1.0.2498 and later Show less