OS Command Injection in Totolink CA750-PoE by Totolink
CVE-2026-9532

5.3MEDIUM

Key Information:

Vendor

Totolink
Status
Ca750-poe
Vendor
CVE Published:
26 May 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-9532?

A security flaw has been identified in Totolink's CA750-PoE, where an OS command injection vulnerability exists within the setUploadUserData function of the /cgi-bin/cstecgi.cgi file. This vulnerability allows attackers to manipulate the FileName argument, potentially leading to unauthorized command execution on the affected system. Given that this issue can be exploited remotely, it poses a risk to users and systems relying on this product. Public disclosure of this exploit can heighten the urgency for users to implement necessary security measures.

Affected Version(s)

CA750-PoE 6.2c.510

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-9532 - Proof of Concept

References

https://vuldb.com/vuln/365559
vdb-entrytechnical-description
https://vuldb.com/vuln/365559/cti
signaturepermissions-required
https://vuldb.com/submit/813930
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Buoy_yes (VulDB User)
.