Firmware Update Vulnerability in Tenda AC6 Router
CVE-2025-31355

7.2HIGH

Key Information:

Vendor

Tenda

Status
Vendor
CVE Published:
20 August 2025

What is CVE-2025-31355?

A vulnerability in the Firmware Signature Validation feature of the Tenda AC6 router allows attackers to exploit a flaw through specially crafted malicious files. This can lead to arbitrary code execution, enabling unauthorized access and control of the device. Protect your network by ensuring your router firmware is up-to-date and secure.

Affected Version(s)

AC6 V5.0 V02.03.01.110

References

CVSS V3.1

Score:
7.2
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Discovered by Lilith >_> of Cisco Talos.
.
CVE-2025-31355 : Firmware Update Vulnerability in Tenda AC6 Router