VULNERABILITY INTELLIGENCE
CVE-2023-35136
CVSS score5.5 MEDIUM
EPSS probability0.24%
CISA KEVNot currently listed
Published2023-11-28
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Description
An improper input validation vulnerability in the “Quagga” package of 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 access configuration files on an affected device.
Weakness classification
- security@zyxel.com.tw: CWE-20
Primary references
- security@zyxel.com.tw — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory