Command Injection Vulnerability in TOTOLINK T6 HTTP POST Handler
CVE-2025-7524

5.3MEDIUM

Key Information:

Vendor

Totolink
Status
T6
Vendor
CVE Published:
13 July 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-7524?

A command injection vulnerability has been identified in the TOTOLINK T6, specifically within the HTTP POST Request Handler function setDiagnosisCfg located in /cgi-bin/cstecgi.cgi. This flaw is triggered by manipulating the 'ip' argument, allowing an attacker to execute arbitrary commands remotely. Given that this vulnerability can be exploited remotely, it poses a significant risk, particularly because the details regarding its exploitation have already been disclosed publicly. Stakeholders using affected versions should take immediate action to mitigate the risks.

Affected Version(s)

T6 4.1.5cu.748_B20211015

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-2025-7524 - Proof of Concept

References

https://vuldb.com/?id.316221
vdb-entrytechnical-description
https://vuldb.com/?ctiid.316221
signaturepermissions-required
https://vuldb.com/?submit.612935
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

ElvisBlue (VulDB User)
.
CVE-2025-7524 : Command Injection Vulnerability in TOTOLINK T6 HTTP POST Handler