Command Injection Vulnerability in Totolink CA750-PoE Device
CVE-2026-9534

5.3MEDIUM

Key Information:

Vendor

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

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-9534?

A security flaw has been identified in the Totolink CA750-PoE 6.2c.510 device, where an improper handling of the setWiFiWpsConfig function in the /cgi-bin/cstecgi.cgi file can allow an attacker to manipulate the argument PIN, resulting in command injection. This vulnerability poses a risk of remote exploitation, enabling unauthorized execution of OS commands, which could jeopardize the security of the device and the network it's connected to. Awareness and prompt action are recommended to mitigate potential risks.

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-2026-9534 - Proof of Concept

References

https://vuldb.com/vuln/365561
vdb-entrytechnical-description
https://vuldb.com/vuln/365561/cti
signaturepermissions-required
https://vuldb.com/submit/813938
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)
.