CVE-2023-40891

CriticalCVSS 9.8

Published: 24/08/2023(UTC)Updated: 17/06/2026(UTC)Translated: 18/06/2026(UTC)NVD NIST

Exploitation Probability (EPSS)

Low risk

0.70%

48th percentile - higher than 48% of all known CVEs

Summary

The Tenda AC8 v4 US_AC8V4.0si_V16.03.34.06_cn device was found to contain a stack overflow vulnerability via the firewallEn parameter at the /goform/SetFirewallCfg endpoint.

Risk Assessment

Exploitation of this vulnerability could lead to remote code execution, posing a serious threat to the organization's network security.

Recommendation

It is recommended to update the device firmware to the latest version to mitigate this vulnerability and to monitor logs for potential attack attempts.

Original NVD description (English source)

Tenda AC8 v4 US_AC8V4.0si_V16.03.34.06_cn was discovered to contain a stack overflow via parameter firewallEn at /goform/SetFirewallCfg.