Command Injection Vulnerability in Zyxel EX3510-B0 Firmware
CVE-2025-13942

9.8CRITICAL

Key Information:

Vendor

Zyxel
Status
Ex3510-b0 Firmware
Vendor
CVE Published:
24 February 2026

What is CVE-2025-13942?

The Zyxel EX3510-B0 firmware is susceptible to a command injection flaw within its Universal Plug and Play (UPnP) functionality. This vulnerability allows remote attackers to execute arbitrary operating system commands on the affected device by sending specially crafted SOAP requests. If successfully exploited, this could result in unauthorized access and control over the device, potentially leading to serious security breaches.

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Affected Version(s)

EX3510-B0 firmware <= 5.17(ABUP.15.1)C0

References

https://www.zyxel.com/global/en/support/security-advisori...
vendor-advisory

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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