CVE-2026-4567

Tenda A15 UploadCfg stack-based overflow

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 remotely. The exploit has been disclosed to the public and may be used.

Affected

Tenda · A15

CVSS v4.0 VULDB

8.9 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 VULDB

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0 VULDB

10.0 HIGHAV:N/AC:L/Au:N/C:C/I:C/A:C

EPSS

1.29% chance of exploitation in the next 30 days, 70th percentile

Published

2026-03-23

Proof-of-concept exploits (2)

• user-attachments/files/25824036/Tenda.A15.V15.13.07.13.Unauthenticated.Stack-based.Buffer…
• George0Papasotiriou/CVE-2026-4567-Post-Quantum-KEM-Timing-Side-Channel-Kyber-Decapsulatio…0★ · 2026-08-03

Security advisories

• https://vuldb.com/?id.352404
• https://vuldb.com/?submit.775156
• https://www.tenda.com.cn
• 942384053/cve/issues/3

References

• CVE Record
• NVD entry