Buffer overflow in Tenda Ac8
CVE-2025-25663
A vulnerability was found in Tenda AC8V4 V16.03.34.06. Affected is the function SUB_0046AC38 of the file /goform/WifiExtraSet. The manipulation of the argument wpapsk_crypto leads to stack-based buffer overflow.
Vulnerability class: Buffer Overflow
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.006 (45.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 45.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Tenda Ac8 — versions 4.0
- Tenda Ac8 Firmware — versions 16.03.34.06
Weakness classification (CWE)
References
- github.com/jangfan/my-vuln/blob/main/Tenda/AC8V4/WifiExtraSet.md (Exploit, Third Party Advisory, Broken Link)
Frequently asked questions
- What is CVE-2025-25663?
- CVE-2025-25663 is a critical-severity vulnerability in Tenda Ac8, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2025-02-20.
- How severe is CVE-2025-25663?
- Critical severity. CVSS v3 base score is 9.8 out of 10.