CVE-2023-6397

State: Published
Severity: 6.5 Medium
Published: Feb 20, 2024
Updated: Aug 2, 2024
Reserved: Nov 30, 2023

Description

A null pointer dereference vulnerability in Zyxel ATP series firmware versions from 4.32 through 5.37 Patch 1 and USG FLEX series firmware versions from 4.50 through 5.37 Patch 1 could allow a LAN-based attacker to cause denial-of-service (DoS) conditions by downloading a crafted RAR compressed file onto a LAN-side host if the firewall has the “Anti-Malware” feature enabled.

Scores

CVSS	Score	Vector	Source
3.1	6.5 Medium	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	Zyxel

Weaknesses

CWE-476 NULL Pointer Dereference

Affected Products

Product	Versions
ATP series firmwareZyxel	version 4.32 through 5.37 Patch 1Affected
USG FLEX series firmwareZyxel	version 4.50 through 5.37 Patch 1Affected

References

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-aps-02-20-2024vendor-advisory

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