Vulnerability · Published Jan 19, 2026 · Assigned by VulDB
CVE-2026-1149Totolink LR350 POST Request cstecgi.cgi setDiagnosisCfg command injection
Medium 6.3
In plain English
A medium-severity command injection in LR350 from Totolink. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 3.0% (higher than 88% of all known vulnerabilities).
Severity (CVSS 3.1)6.3Medium
Exploit odds (30 days)3.0%top 12.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A vulnerability was identified in Totolink LR350 9.3.5u.6369_B20220309. This issue affects the function setDiagnosisCfg of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. The manipulation of the argument ip leads to command injection. The attack can be initiated remotely. The exploit is publicly available and might be used.
Affected products (as reported)
Weakness: CWE-77, CWE-74 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
References
- VDB-341742 | Totolink LR350 POST Request cstecgi.cgi setDiagnosisCfg command injection vdb-entry, technical-description
- VDB-341742 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- Submit #735695 | TOTOLINK LR350 LR350 V9.3.5u.6369_B20220309 Command Injection third-party-advisory
- https://lavender-bicycle-a5a.notion.site/TOTOLINK-LR350-setDiagnosisCfg-2e453a41781f800d9ba9c6da80b55276?source=copy_link exploit
- https://www.totolink.net/ product