CVE-2024-0540: Tenda W9 httpd formOfflineSet stack-based overflow

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-01-15 · updated 2026-06-17
Weakness: CWE-121

Description

A vulnerability was found in Tenda W9 1.0.0.7(4456). It has been classified as critical. Affected is the function formOfflineSet of the component httpd. The manipulation of the argument ssidIndex leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. VDB-250710 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

Tenda W9: 1.0.0.7(4456)

References

https://github.com/jylsec/vuldb/blob/main/Tenda/W9/5/README.md
https://vuldb.com/?ctiid.250710
https://vuldb.com/?id.250710
https://github.com/jylsec/vuldb/blob/main/Tenda/W9/5/README.md
https://vuldb.com/?ctiid.250710
https://vuldb.com/?id.250710

Get alerted when CVE-2024-0540 or the next vulnerability affects your stack