Buffer overflow in Tenda A15
CVE-2026-4567
A vulnerability has been found in Tenda A15 15.13.07.13. The impacted element is the function UploadCfg of the file /cgi-bin/UploadCfg. The manipulation of the argument File leads to stack-based buffer overflow. The attack may be initiated…
Vulnerability class: Buffer Overflow
EPSS: 0.001 (34.7th 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/E:P/RL:X/RC:R.
Affected products
- Tenda A15 — versions 15.13.07.13
Weakness classification (CWE)
References
- VDB-352404 | Tenda A15 UploadCfg stack-based overflow (vdb-entry, technical-description)
- VDB-352404 | CTI Indicators (IOB, IOC, IOA) (signature, permissions-required)
- Submit #775156 | Tenda A15 V15.13.07.13 Stack-based Buffer Overflow (third-party-advisory)
- github.com/942384053/cve/issues/3 (issue-tracking)
- github.com/user-attachments/files/25824036/Tenda.A15.V15.13.07.13.Unauthenticat… (exploit)
- www.tenda.com.cn/ (product)
Frequently asked questions
- What is CVE-2026-4567?
- CVE-2026-4567 is a critical-severity vulnerability in Tenda A15, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2026-03-23.
- How severe is CVE-2026-4567?
- Critical severity. CVSS v3 base score is 9.8 out of 10.