CVE-2024-6343

State: Published
Severity: 4.9 Medium
Published: Sep 3, 2024
Updated: Sep 3, 2024
Reserved: Jun 26, 2024

Description

A buffer overflow vulnerability in the CGI program of Zyxel ATP series firmware versions from V4.32 through V5.38, USG FLEX series firmware versions from V4.50 through V5.38, USG FLEX 50(W) series firmware versions from V4.16 through V5.38, and USG20(W)-VPN series firmware versions from V4.16 through V5.38 could allow an authenticated attacker with administrator privileges to cause denial of service (DoS) conditions by sending a crafted HTTP request to a vulnerable device.

Scores

CVSS	Score	Vector	Source
3.1	4.9 Medium	CVSS:3.1/AV:N/AC:L/PR:H/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 V4.32 through V5.38Affected
USG FLEX series firmwareZyxel	versions V4.50 through V5.38Affected
USG FLEX 50(W) series firmwareZyxel	versions V4.16 through V5.38Affected
USG20(W)-VPN series firmwareZyxel	versions V4.16 through V5.38Affected

References

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-09-03-2024vendor-advisory

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