Null Pointer Dereference in TOTOLINK WA1200 HTTP Request Handler

Publication date: 2026-01-08

Last updated on: 2026-01-08

Assigner: VulDB

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.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-01-08

Last Modified

2026-01-08

Generated

2026-07-06

AI Q&A

2026-01-09

EPSS Evaluated

2026-07-05

NVD

CVE-2026-0731

Affected Vendors & Products

Vendor	Product	Version / Range
totolink	wa1200	5.9c.2914

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-404	The product does not release or incorrectly releases a resource before it is made available for re-use.
CWE-476	The product dereferences a pointer that it expects to be valid but is NULL.

Attack-Flow Graph

Executive Summary

This vulnerability exists in the TOTOLINK WA1200 device, specifically in an unknown function within the file cstecgi.cgi of the HTTP Request Handler component. It allows a remote attacker to cause a null pointer dereference, which can lead to a denial of service or crash of the device. The exploit has been publicly disclosed and can be executed remotely without authentication.

Impact Analysis

The vulnerability can impact you by allowing a remote attacker to cause a denial of service on the TOTOLINK WA1200 device, potentially disrupting network connectivity or device availability. Since it leads to a null pointer dereference, it may cause the device to crash or become unresponsive.

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