CVE-2023-6399

State: Published
Severity: 5.7 Medium
Published: Feb 20, 2024
Updated: Aug 2, 2024
Reserved: Nov 30, 2023

Description

A format string vulnerability in Zyxel ATP series firmware versions from 4.32 through 5.37 Patch 1, USG FLEX series firmware versions from 4.50 through 5.37 Patch 1, USG FLEX 50(W) series firmware versions from 4.16 through 5.37 Patch 1, USG20(W)-VPN series firmware versions from 4.16 through 5.37 Patch 1, and USG FLEX H series firmware versions from 1.10 through 1.10 Patch 1 could allow an authenticated IPSec VPN user to cause DoS conditions against the “deviceid” daemon by sending a crafted hostname to an affected device if it has the “Device Insight” feature enabled.

Scores

CVSS	Score	Vector	Source
3.1	5.7 Medium	CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	Zyxel

Weaknesses

CWE-134 Use of Externally-Controlled Format String

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
USG FLEX 50(W) series firmwareZyxel	version 4.16 through 5.37 Patch 1Affected
USG20(W)-VPN series firmwareZyxel	version 4.16 through 5.37 Patch 1Affected
USG FLEX H series firmwareZyxel	version 1.10 through 1.10 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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