CVE-2026-0731mediumCWE-404 CWE-476

CVE-2026-0731: medium-severity vulnerability in TOTOLINK WA1200

TOTOLINK WA1200 HTTP Request cstecgi.cgi null pointer dereference

Published 08 Jan 2026 · Updated 23 Feb 2026

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13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 6.9epss 0.7%

A vulnerability has been found in TOTOLINK WA1200 5.9c.2914. The impacted element is an unknown function of the file cstecgi.cgi of the component HTTP Request Handler. The manipulation leads to null pointer dereference. The attack is possible to be carried out 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:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P

Affected products

TOTOLINK · WA1200

References

https://github.com/JackWesleyy/CVE/blob/main/WA1200/TOTOLINK%20WA1200%20NULL%20Pointer%20Dereference%20Vulnerability.md https://github.com/JackWesleyy/CVE/blob/main/WA1200/TOTOLINK%20WA1200%20NULL%20Pointer%20Dereference%20Vulnerability.md#poc https://vuldb.com/?ctiid.340128 https://vuldb.com/?id.340128 https://vuldb.com/?submit.733249 https://www.totolink.net/