Is CVE-2025-31355 actively exploited?

No active exploitation of CVE-2025-31355 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2025-31355 be exploited remotely?

Yes. CVE-2025-31355 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2025-31355?

CVE-2025-31355 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2025-31355

CWE-494Published: August 20, 2025· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2025-31355 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.