CVE-2025-13942 CRITICAL

CVE-2025-13942

Vendor Zyxel
Product EX3510-B0 firmware
Weakness CWE-78
Published February 24, 2026
Last update February 26, 2026

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

A command injection vulnerability in the UPnP function of the Zyxel EX3510-B0 firmware versions through 5.17(ABUP.15.1)C0 could allow a remote attacker to execute operating system (OS) commands on an affected device by sending specially crafted UPnP SOAP requests.

Key dates

02Disclosure timeline

February 24, 2026 CVE published
February 26, 2026 Record updated