PT-2026-1981 · Totolink · Totolink Wa1200

Jackwesley · Published 2026-01-08 · Updated 2026-03-14 · CVE-2026-0731

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions TOTOLINK WA1200 version 5.9c.2914

Description A flaw exists in the HTTP Request Handler component of TOTOLINK WA1200 version 5.9c.2914. Specifically, the issue resides in an unknown function within the cstecgi.cgi file. This manipulation results in a null pointer dereference, and the attack can be performed remotely. The exploit for this issue has been publicly disclosed.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Improper Resource Release

NULL Pointer Dereference

Weakness Enumeration

CWE-404

CWE-476

Related Identifiers

CVE-2026-0731

Affected Products

Totolink Wa1200

References · 12

• 🔥 https://github.com/JackWesleyy/CVE/blob/main/WA1200/TOTOLINK%20WA1200%20NULL%20Pointer%20Dereference%20Vulnerability.md#poc · Exploit
• 🔥 https://github.com/JackWesleyy/CVE/blob/main/WA1200/TOTOLINK%20WA1200%20NULL%20Pointer%20Dereference%20Vulnerability.md · Exploit
• https://osv.dev/vulnerability/CVE-2026-0731 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-0731 · Security Note
• https://totolink.net · Note
• https://t.me/cveNotify/148148 · Telegram Post
• https://vuldb.com/?submit.733249 · Note
• https://vuldb.com/?id.340128 · Note
• https://twitter.com/CVEnew/status/2009462328434278796 · Twitter Post
• https://t.me/CVEtracker/41778 · Telegram Post
• https://twitter.com/dailycve/status/2032893472693203314 · Twitter Post
• https://vuldb.com/?ctiid.340128 · Note