Main Vulnerability Database Vulnerabilities #VU101038

Path traversal in ZyXEL Communications Corp. products - CVE-2024-11667

Published: November 29, 2024 / Updated: December 4, 2024

Vulnerability identifier: #VU101038

CSH Severity: Critical

CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2024-11667

CWE-ID: CWE-22

Exploitation vector: Remote access

Exploit availability: The vulnerability is being exploited in the wild

Vulnerability details

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences. A remote attacker can send a specially crafted HTTP request and read arbitrary files on the system.

Affected software

ATP series
USG FLEX series
USG FLEX 50W
USG20W-VPN

How to mitigate CVE-2024-11667

Install update from vendor's website.

ATP series - update to 5.39
USG FLEX series - update to 5.39
USG FLEX 50W - update to 5.39
USG20W-VPN - update to 5.39

External References

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-protecting-against-recent-firewall-threats-11-27-2024

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