Vulnerability · Published Aug 17, 2026 · Assigned by VulDB
CVE-2026-75013TOTOLINK EX1200L cstecgi.cgi setWizardCfg null pointer dereference
Medium 6.5
In plain English
A medium-severity null pointer dereference in EX1200L from TOTOLINK. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 52% of all known vulnerabilities).
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.7%top 48.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A vulnerability was detected in TOTOLINK EX1200L 9.3.5u.6146_B20201023. This affects the function setWizardCfg of the file /cgi-bin/cstecgi.cgi. The manipulation results in null pointer dereference. The attack can be launched remotely. The exploit is now public and may be used.
Affected products (as reported)
Weakness: CWE-476, CWE-404 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:P/RL:X/RC:R
References
- VDB-391273 | TOTOLINK EX1200L cstecgi.cgi setWizardCfg null pointer dereference vdb-entry, technical-description
- VDB-391273 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- CVE-2026-75013 | CVE Analysis and Report third-party-advisory
- Submit #876033 | Totolink EX1200L Firmware V9.3.5u.6146_B20201023 NULL Pointer Dereference third-party-advisory
- https://gist.github.com/wyxstarry/21e6c2853891a3beb140a7c879069f9f exploit
- https://www.totolink.net/ product