CVE-2025-31355

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-08-20 · updated 2026-06-17
Weakness: CWE-494

Description

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.

Affected products

Tenda AC6: 02.03.01.110

References

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

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