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CVE-2025-13942

CRITICAL CVSS 3.1: 9.8 EPSS 0.17%
Updated Feb 24, 2026
Zyxel
Parameter Value
CVSS 9.8 (CRITICAL)
Type CWE-78 (OS Command Injection)
Vendor Zyxel
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Weakness Type (CWE)