CVE-2023-35139

CVSS 3.1: 6.1 medium
EPSS: <1%p39
Published: Nov 28, 2023 · Nov 28, 2023
Modified: Jun 17, 2026

Analyze CVE-2023-35139 with Vani AIImpact, affected versions, exploitation status, mitigations and detection

Description · NVD

A cross-site scripting (XSS) vulnerability in the CGI program of the Zyxel ATP series firmware versions 5.10 through 5.37, USG FLEX series firmware versions 5.00 through 5.37, USG FLEX 50(W) series firmware versions 5.10 through 5.37, USG20(W)-VPN series firmware versions 5.10 through 5.37, and VPN series firmware versions 5.00 through 5.37, could allow an unauthenticated LAN-based attacker to store malicious scripts in a vulnerable device. A successful XSS attack could then result in the stored malicious scripts being executed to steal cookies when the user visits the specific CGI used for dumping ZTP logs.

Vendors: zyxel

Products: zld

Weakness: CWE-79

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (0.5%)

In the news

1 story

Zyxel fixed tens of flaws in Firewalls, Access Points, and NAS

Security AffairsDec 4, 06:06 UTC · Dec 4, 2023VulnerabilityCVE-2023-35136 CVE-2023-35139 CVE-2023-37925+122 · 1 read