Vulnerability · Published May 25, 2026 · Assigned by VulDB
CVE-2026-9515Totolink CA750-PoE Setting cstecgi.cgi setUnloadUserData os command injection
Medium 6.3
In plain English
A medium-severity OS command injection in CA750-PoE from Totolink. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 10.4% (higher than 96% of all known vulnerabilities).
Severity (CVSS 3.1)6.3Medium
Exploit odds (30 days)10.4%top 4.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A vulnerability was detected in Totolink CA750-PoE 6.2c.510. The affected element is the function setUnloadUserData of the file /cgi-bin/cstecgi.cgi of the component Setting Handler. The manipulation of the argument plugin_version results in os command injection. The attack may be launched remotely. The exploit is now public and may be used.
Affected products (as reported)
Weakness: CWE-78, CWE-77 · 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-365515 | Totolink CA750-PoE Setting cstecgi.cgi setUnloadUserData os command injection vdb-entry, technical-description
- VDB-365515 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- Submit #813927 | TOTOLink CA750-PoE V6.2c.510 Command Injection third-party-advisory
- https://github.com/wudipjq/my_vuln/blob/main/totolink4/vuln_53/53.md exploit
- https://www.totolink.net/ product