CVE-2025-29121: tenda ac6_firmware Stack-based Buffer Overflow
Analyzed
Published 20-03-2025Last modified 21-03-2025
Vulnerability summary
CVE-2025-29121 is a high (CVSS 7.5) Stack-based Buffer Overflow vulnerability in tenda ac6_firmware. EPSS estimates a 0.48% chance of exploitation in the next 30 days, higher than 40.7% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.5/10
010
High · v3.1 (CVE.org)EPSS score
0.48%
0%100%
Low · +0.01 pp in 30 daysKEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits1github
Timeline
- 20-03-2025PublishedVulnerability first disclosed.
- 21-03-2025Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 7.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 2 agree
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.48%
Chance of exploitation in the next 30 days
Percentile
41%
Versus all other CVEs
30-day change
Increase +0.01 pp
From 0.47% on 22-09-2026
22-09-202622-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
1 foundIot Cve
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Tenda1 product
- ac6_firmware15.03.05.16
1 vendor · 1 product
References
1 links- github.com/Raining-101/IOT_cve/blob/main/ac6_form_fast_setting_wifi_set%20_timeZone.mdExploitThird Party Advisory