CVE-2026-4567: critical vulnerability in Tenda A15
Tenda A15 UploadCfg stack-based overflow
Published
48Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 9.3epss 1.3%
exploitation probability
1.3%top 31% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
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.
CVSS: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
Affected products
Tenda · A15public PoCs found — 1
cve_referencegithub.com/user-attachments/files/25824036/Tenda.A15.V15.13.07.13.Unauthenticated.Stack-based.Buffer.Overflow.in._cgi-bin_UploadCfg.zipunverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — Tenda A15
In the same product, most dangerous first.
CVE-2025-4897HIGHTenda A15 HTTP POST Request multimodalAdd buffer overflowEPSS 6.1%CVE-2024-0532HIGHTenda A15 Web-based Management Interface WifiExtraSet set_repeat5 stack-based overflowEPSS 1.8%CVE-2024-0533HIGHTenda A15 Web-based Management Interface SetOnlineDevName stack-based overflowEPSS 1.7%CVE-2024-0534HIGHTenda A15 Web-based Management Interface SetOnlineDevName stack-based overflowEPSS 1.7%CVE-2024-0531HIGHTenda A15 Web-based Management Interface setBlackRule stack-based overflowEPSS 1.7%CVE-2025-12619HIGHTenda A15 openNetworkGateway fromSetWirelessRepeat buffer overflowEPSS 0.9%
References
https://github.com/942384053/cve/issues/3https://github.com/user-attachments/files/25824036/Tenda.A15.V15.13.07.13.Unauthenticated.Stack-based.Buffer.Overflow.in._cgi-bin_UploadCfg.ziphttps://vuldb.com/?ctiid.352404https://vuldb.com/?id.352404https://vuldb.com/?submit.775156https://www.tenda.com.cn/