Command Injection Vulnerability in TOTOLINK T6 HTTP POST Request Handler
CVE-2025-7525

5.3MEDIUM

Key Information:

Vendor

Totolink
Status
T6
Vendor
CVE Published:
13 July 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-7525?

A security flaw has been identified in the TOTOLINK T6 that affects the function responsible for handling traceroute configuration via HTTP requests. The vulnerability resides in the command handling mechanism managed by the file /cgi-bin/cstecgi.cgi. When exploited, this weakness enables an attacker to execute arbitrary commands on the server, which can be performed remotely. The potential for malicious use has been publicly disclosed, raising significant security concerns for users of this device.

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-2025-7525 - Proof of Concept

References

https://vuldb.com/?id.316222
vdb-entrytechnical-description
https://vuldb.com/?ctiid.316222
signaturepermissions-required
https://vuldb.com/?submit.612936
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-2025-7525 : Command Injection Vulnerability in TOTOLINK T6 HTTP POST Request Handler