CVE-2025-13942

high-risk

Published 2026-02-24

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.

Do I need to act?

0.17% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 9.8/10 Critical

NETWORK / LOW complexity

Affected Products (18)

Wx5610-B0 Firmware

Lte3301-Plus Firmware

Nebula Lte3301-Plus Firmware

Nr7101 Firmware

Nebula Nr7101 Firmware

Dx4510-B0 Firmware

Dx4510-B1 Firmware

Ee6510-10 Firmware

Emg6726-B10A Firmware

Ex2210-T0 Firmware

Ex3510-B0 Firmware

Ex3510-B1 Firmware

Ex5510-B0 Firmware

Ex5512-T0 Firmware

Ex7710-B0 Firmware

Vmg4927-B50A Firmware

Px3321-T1 Firmware

Px5301-T0 Firmware

Affected Vendors

Zyxel

References (1)

Vendor Advisory https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advis...

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high-risk

Severity 32/34 · Critical

Exploitability 1/34 · Minimal

Exposure 19/34 · Moderate