CVE-2025-31355

A firmware update vulnerability exists in the Firmware Signature Validation functionality of Tenda AC6 V5.0 V02.03.01.110. A specially crafted malicious file can lead to arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.

Score

CVSS 3.1 9.8 Critical

Status

Modified - talos-cna@cisco.com

Published

2025-08-20

Last modified

2025-11-03

Weaknesses

CWE-494

Affected products

• Ac6 Firmware (Tenda)
• Ac6 V5.0 (Tenda)

References

• https://talosintelligence.com/vulnerability_reports/TALOS-2025-2161
• https://www.talosintelligence.com/vulnerability_reports/TALOS-2025-2161