RCE in Tenda Ac9

CVE-2025-45042

Tenda AC9 v15.03.05.14 was discovered to contain a command injection vulnerability via the Telnet function.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.018 (75.4th 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
N/a — versions n/a

Weakness classification (CWE)

References

cve@mitre.org (Exploit)

Frequently asked questions

What is CVE-2025-45042?: CVE-2025-45042 is a critical-severity vulnerability in Tenda Ac9, classified under Command Injection. CVSS score: 9.8/10. Published 2025-05-05.
How severe is CVE-2025-45042?: Critical severity. CVSS v3 base score is 9.8 out of 10.