CVE-2026-9515: Totolink CA750-PoE Setting cstecgi.cgi setUnloadUserData os command injection

Published May 25, 2026
·
Updated

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 Software

1 affected component
TOTOLINK Totolink CA750-PoE=6.2c.510

Event History

May 25, 2026
CVE Published
via MITRE·11:15 PM
Data Sourced
via MITRE·11:15 PM
DescriptionSeverityWeakness
May 26, 2026
Data Sourced
via NVD·12:16 AM
DescriptionSeverityWeakness
Dec 12, 58377
Event
via FIRST·09:00 PM
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Frequently Asked Questions

1

What is the severity of CVE-2026-9515?

The severity of CVE-2026-9515 is medium with a score of 6.3.

2

How do I fix CVE-2026-9515?

To fix CVE-2026-9515, update the Totolink CA750-PoE to the latest firmware version that addresses this vulnerability.

3

What type of vulnerability is CVE-2026-9515?

CVE-2026-9515 is an OS command injection vulnerability found in the setUnloadUserData function.

4

Can CVE-2026-9515 be exploited remotely?

Yes, CVE-2026-9515 can be exploited remotely through manipulation of the plugin_version argument.

5

What component is affected by CVE-2026-9515?

CVE-2026-9515 affects the Setting Handler component in the Totolink CA750-PoE.

Contact

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