CVE-2026-0731: TOTOLINK WA1200 HTTP Request cstecgi.cgi null pointer dereference

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-01-08 · updated 2026-06-17
Weakness: CWE-404

Description

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.

Affected products

TOTOLINK Wa1200-Poe: all versions
TOTOLINK Wa1200-Poe Firmware: 5.9c.2914

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/

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