CVE-2025-57528: Improper Input Validation
Source CVE Database V5
Not known to be exploited · CVSS 7.7 High.
Data as of 26 Oct 2026, 10:12 UTC
- EPSS
- 0.4% chance of exploitation in 30 days – higher than 38% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:LExploitation evidence
Disclosed: evidence found.
CVE published 19 Sep 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
AI-suggested
To mitigate CVE-2025-57528, European organizations should take several targeted actions beyond generic advice. First, identify and inventory all Tenda AC6 routers within the network, including those in branch offices and remote locations. Restrict access to the router management interface by implementing network segmentation and firewall rules that limit access to trusted administrative hosts only. Disable remote management features if not required, or ensure they are protected by strong authentication and encrypted channels (e.g., HTTPS with valid certificates). Monitor network traffic for unusual requests targeting the SetCfm URI path, which could indicate exploitation attempts. Engage with Tenda support channels to obtain information on forthcoming patches or firmware updates. Additionally, implement network-level DoS protection mechanisms to detect and block abnormal traffic patterns. Regularly update network device firmware and maintain an asset management process to quickly respond to emerging vulnerabilities. Finally, educate IT staff about this specific vulnerability to ensure rapid detection and response to any exploitation attempts.
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).