What is CVE-2025-45427?

CVE-2025-45427 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-2025-45427?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Tenda Ac9

CVE-2025-45427

In Tenda AC9 v1.0 with firmware V15.03.05.14_multi, the security parameter of /goform/WifiBasicSet 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

Tenda Ac9 — versions 1.0
Tenda Ac9_firmware — versions 15.03.05.14_multi
N/a — versions n/a

Weakness classification (CWE)

CWE-121 — Stack-based Buffer Overflow

References

cve@mitre.org (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2025-45427?: CVE-2025-45427 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-2025-45427?: Critical severity. CVSS v3 base score is 9.8 out of 10.