Buffer Overflow Vulnerability in TOTOLINK T10 Remote Configuration
CVE-2025-5905

8.7HIGH

Key Information:

Vendor

Totolink
Status
T10
Vendor
CVE Published:
10 June 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-5905?

A vulnerability has been identified in the TOTOLINK T10 router involving a buffer overflow in the setWiFiRepeaterCfg function within the POST Request Handler. The issue arises from improper handling of the Password argument in the CGI script /cgi-bin/cstecgi.cgi, which can be exploited remotely. This flaw allows attackers to manipulate the buffer, leading to potential unauthorized access or service interruption.

Affected Version(s)

T10 4.1.8cu.5207

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-2025-5905 - Proof of Concept

References

https://vuldb.com/?id.311678
vdb-entrytechnical-description
https://vuldb.com/?ctiid.311678
signaturepermissions-required
https://vuldb.com/?submit.592265
third-party-advisory

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
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

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CVE-2025-5905 : Buffer Overflow Vulnerability in TOTOLINK T10 Remote Configuration