CVE-2023-37926

State: Published
Severity: 5.5 Medium
Published: Nov 28, 2023
Updated: Aug 2, 2024
Reserved: Jul 11, 2023

Description

A buffer overflow vulnerability in the Zyxel ATP series firmware versions 4.32 through 5.37, USG FLEX series firmware versions 4.50 through 5.37, USG FLEX 50(W) series firmware versions 4.16 through 5.37, USG20(W)-VPN series firmware versions 4.16 through 5.37, and VPN series firmware versions 4.30 through 5.37, could allow an authenticated local attacker to cause denial-of-service (DoS) conditions by executing the CLI command to dump system logs on an affected device.

Scores

CVSS	Score	Vector	Source
3.1	5.5 Medium	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	Zyxel

Weaknesses

CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Affected Products

Product	Versions
ATP series firmwareZyxel	versions 4.32 through 5.37Affected
USG FLEX series firmwareZyxel	versions 4.50 through 5.37Affected
USG FLEX 50(W) series firmwareZyxel	versions 4.16 through 5.37Affected
USG20(W)-VPN series firmwareZyxel	versions 4.16 through 5.37Affected
VPN series firmwareZyxel	versions 4.30 through 5.37Affected

References

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-apsvendor-advisory

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