Buffer overflow in Tenda Ac500
CVE-2025-7586
A vulnerability was found in Tenda AC500 2.0.1.9(1307). It has been declared as critical. Affected by this vulnerability is the function formSetAPCfg of the file /goform/setWtpData. The manipulation of the argument radio_2g_1 leads to stac…
Vulnerability class: Buffer Overflow
EPSS: 0.016 (81.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R.
Affected products
- Tenda Ac500 — versions 2.0.1.9(1307)
Weakness classification (CWE)
References
- VDB-316285 | Tenda AC500 setWtpData formSetAPCfg stack-based overflow (vdb-entry, technical-description)
- VDB-316285 | CTI Indicators (IOB, IOC, IOA) (signature, permissions-required)
- Submit #615169 | Tenda AC500 V2.0.1.9(1307) Buffer Overflow (third-party-advisory)
- github.com/panda666-888/vuls/blob/main/tenda/ac500/formSetAPCfg.md (related)
- github.com/panda666-888/vuls/blob/main/tenda/ac500/formSetAPCfg.md (exploit)
- www.tenda.com.cn/ (product)
Frequently asked questions
- What is CVE-2025-7586?
- CVE-2025-7586 is a high-severity vulnerability in Tenda Ac500, classified under Stack-based Buffer Overflow. CVSS score: 8.8/10. Published 2025-07-14.
- How severe is CVE-2025-7586?
- High severity. CVSS v3 base score is 8.8 out of 10.