Buffer overflow in Tenda Ac15
CVE-2026-4975
A vulnerability has been found in Tenda AC15 15.03.05.19. This affects the function formSetCfm of the file /goform/setcfm of the component POST Request Handler. The manipulation of the argument funcpara1 leads to stack-based buffer overflo…
Vulnerability class: Buffer Overflow
EPSS: 0.001 (28.3th 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 Ac15 — versions 15.03.05.19
Weakness classification (CWE)
References
- VDB-353862 | Tenda AC15 POST Request setcfm formSetCfm memory corruption (vdb-entry, technical-description)
- VDB-353862 | CTI Indicators (IOB, IOC, IOA) (signature, permissions-required)
- Submit #778261 | Tenda AC15 AC15 V1.0 V15.03.05.19_multi Buffer Overflow (third-party-advisory)
- lavender-bicycle-a5a.notion.site/Tenda-AC15-setcfm-32153a41781f807b8945dd8920fa… (exploit)
- www.tenda.com.cn/ (product)
Frequently asked questions
- What is CVE-2026-4975?
- CVE-2026-4975 is a high-severity vulnerability in Tenda Ac15, classified under Stack-based Buffer Overflow. CVSS score: 8.8/10. Published 2026-03-27.
- How severe is CVE-2026-4975?
- High severity. CVSS v3 base score is 8.8 out of 10.