CVE-2026-4567: Tenda A15 UploadCfg stack-based overflow

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.8% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-03-23 · updated 2026-06-17
Weakness: CWE-119

Description

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 products

Tenda A15: 15.13.07.13

References

https://github.com/942384053/cve/issues/3
https://github.com/user-attachments/files/25824036/Tenda.A15.V15.13.07.13.Unauthenticated.Stack-based.Buffer.Overflow.in._cgi-bin_UploadCfg.zip
https://vuldb.com/?ctiid.352404
https://vuldb.com/?id.352404
https://vuldb.com/?submit.775156
https://www.tenda.com.cn/

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