CVE-2025-13942

Published: Feb 24, 2026

Modified: Feb 26, 2026

PUBLISHED

CVSS v3.1

9.8

CRITICAL

Description

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.

Vendor	Product	Versions
Zyxel	EX3510-B0 firmware	affected `<= 5.17(ABUP.15.1)C0`

Weaknesses (CWE)

CWE-78

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

References

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-null-pointer-dereference-and-command-injection-vulnerabilities-in-certain-4g-lte-5g-nr-cpe-dsl-ethernet-cpe-fiber-onts-security-routers-and-wireless-extenders-02-24-2026

vendor-advisory

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CVE-2025-13942

Description

Affected Products

Weaknesses (CWE)

CVSS v3.1 Details

References