CVE-2026-9532: OS Command Injection in Totolink CA750-PoE
A security vulnerability has been detected in Totolink CA750-PoE 6.2c.510. The affected element is the function setUploadUserData of the file /cgi-bin/cstecgi.cgi of the component Setting Handler. Such manipulation of the argument FileName leads to os command injection. The attack may be performed from remote. The exploit has been disclosed publicly and may be used.
AI Analysis
Technical Summary
This vulnerability in Totolink CA750-PoE 6.2c.510 involves an OS command injection via the setUploadUserData function in /cgi-bin/cstecgi.cgi. By manipulating the FileName argument, an attacker can execute arbitrary OS commands remotely. The CVSS 4.0 base score is 5.3, indicating medium severity with network attack vector, low attack complexity, no privileges required, and no user interaction needed. The vulnerability is publicly disclosed but lacks an official fix or vendor advisory at this time.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary OS commands on the affected device, potentially compromising device integrity and confidentiality. The medium CVSS score reflects moderate impact with limited privileges required and no user interaction needed. However, no known active exploitation has been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict network access to the affected device's management interface to trusted users only. Monitor for updates from Totolink regarding patches or mitigations.
CVE-2026-9532: OS Command Injection in Totolink CA750-PoE
Description
A security vulnerability has been detected in Totolink CA750-PoE 6.2c.510. The affected element is the function setUploadUserData of the file /cgi-bin/cstecgi.cgi of the component Setting Handler. Such manipulation of the argument FileName leads to os command injection. The attack may be performed from remote. The exploit has been disclosed publicly and may be used.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Totolink CA750-PoE 6.2c.510 involves an OS command injection via the setUploadUserData function in /cgi-bin/cstecgi.cgi. By manipulating the FileName argument, an attacker can execute arbitrary OS commands remotely. The CVSS 4.0 base score is 5.3, indicating medium severity with network attack vector, low attack complexity, no privileges required, and no user interaction needed. The vulnerability is publicly disclosed but lacks an official fix or vendor advisory at this time.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary OS commands on the affected device, potentially compromising device integrity and confidentiality. The medium CVSS score reflects moderate impact with limited privileges required and no user interaction needed. However, no known active exploitation has been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict network access to the affected device's management interface to trusted users only. Monitor for updates from Totolink regarding patches or mitigations.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-05-25T19:44:11.115Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a153cbca5ae1af1aa706ae2
Added to database: 5/26/2026, 6:25:00 AM
Last enriched: 5/26/2026, 6:40:15 AM
Last updated: 5/26/2026, 12:43:24 PM
Views: 9
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