Vulnerability in Tenda Ac15
CVE-2025-63666
Tenda AC15 v15.03.05.18_multi) issues an authentication cookie that exposes the account password hash to the client and uses a short, low-entropy suffix as the session identifier. An attacker with network access or the ability to run JS in a victim browser can steal the cookie and replay it to access protected resources.
EPSS: 0.005 (38.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Tenda Ac15
- Tenda Ac15_firmware — versions 15.03.05.18
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Exploit, Third Party Advisory, Mitigation)
Frequently asked questions
- What is CVE-2025-63666?
- CVE-2025-63666 is a critical-severity vulnerability in Tenda Ac15, classified under Improper Access Control. CVSS score: 9.8/10. Published 2025-11-12.
- How severe is CVE-2025-63666?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2025-63666 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.