VULNERABILITY INTELLIGENCE
CVE-2023-34138
CVSS score8 HIGH
EPSS probability0.68%
CISA KEVNot currently listed
Published2023-07-17
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Description
A command injection vulnerability in the hotspot management feature of the Zyxel ATP series firmware versions 4.60 through 5.36 Patch 2, USG FLEX series firmware versions 4.60 through 5.36 Patch 2, USG FLEX 50(W) series firmware versions 4.60 through 5.36 Patch 2, USG20(W)-VPN series firmware versions 4.60 through 5.36 Patch 2, and VPN series firmware versions 4.60 through 5.36 Patch 2, could allow an unauthenticated, LAN-based attacker to execute some OS commands on an affected device if the attacker could trick an authorized administrator to add their IP address to the list of trusted RADIUS clients in advance.
Weakness classification
- security@zyxel.com.tw: CWE-78
- nvd@nist.gov: CWE-78
Primary references
- security@zyxel.com.tw — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory