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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.005 (38.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 38.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000
Affected products
- Tenda Ac6
- Tenda Ac6 Firmware — versions 15.03.05.16
Weakness classification (CWE)
References
- github.com/Raining-101/IOT_cve/blob/main/ac6_form_fast_setting_wifi_set _timeZo… (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.