CVE-2025-57528: tenda ac6_firmware Improper Input Validation
Analyzed
Published 19-09-2025Last modified 19-09-2025
Vulnerability summary
CVE-2025-57528 is a high (CVSS 7.7) Improper Input Validation vulnerability in tenda ac6_firmware. EPSS estimates a 0.44% chance of exploitation in the next 30 days, higher than 37.5% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.7/10
010
High · v3.1 (CVE.org)EPSS score
0.44%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits1github
Timeline
- 19-09-2025PublishedVulnerability first disclosed.
- 19-09-2025Last modifiedVulnerability information updated.
Description
An issue was discovered in Tenda AC6 US_AC6V1.0BR_V15.03.05.16_multi_TD01 allowing attackers to cause a denial of service via the funcname, funcpara1, funcpara2 parameters to the formSetCfm function (uri path: SetCfm).
CVSS metrics
2 scores · 2 sources · 1 versionHigh 7.7Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:LSourcesAll 2 agree
- NVDNIST7.7HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
EPSS trend
Probability
0.44%
Chance of exploitation in the next 30 days
Percentile
38%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.44% on 22-09-2026
22-09-202622-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
1 foundIotvuln
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Tenda1 product
- ac6_firmware15.03.05.16
1 vendor · 1 product
References
1 links- github.com/faqiadegege/IoTVuln/blob/main/tendaAc6_formSetCfm_funcname_overflow/detail.mdExploitThird Party Advisory