What is CVE-2025-29121?

CVE-2025-29121 is a high-severity vulnerability in Tenda Ac6, classified under Stack-based Buffer Overflow. CVSS score: 7.5/10. Published 2025-03-20.

How severe is CVE-2025-29121?

High severity. CVSS v3 base score is 7.5 out of 10.

Buffer overflow in Tenda Ac6

CVE-2025-29121

A vulnerability was found in Tenda AC6 V15.03.05.16. The vulnerability affects the functionality of the /goform/fast_setting_wifi_set file form_fast_setting_wifi_set. Using the timeZone parameter causes a stack-based buffer overflow.

Vulnerability class: Buffer Overflow

EPSS: 0.004 (36.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Tenda Ac6
Tenda Ac6_firmware — versions 15.03.05.16
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-2025-29121?: CVE-2025-29121 is a high-severity vulnerability in Tenda Ac6, classified under Stack-based Buffer Overflow. CVSS score: 7.5/10. Published 2025-03-20.
How severe is CVE-2025-29121?: High severity. CVSS v3 base score is 7.5 out of 10.