Buffer overflow in Tenda Ac9

CVE-2025-45428

In Tenda ac9 v1.0 with firmware V15.03.05.14_multi, the rebootTime parameter of /goform/SetSysAutoRebbotCfg has a stack overflow vulnerability, which can lead to remote arbitrary code execution.

Vulnerability class: Buffer Overflow

EPSS: 0.008 (52.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-45428?
CVE-2025-45428 is a critical-severity vulnerability in Tenda Ac9, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2025-04-23.
How severe is CVE-2025-45428?
Critical severity. CVSS v3 base score is 9.8 out of 10.