Buffer Overflow in TOTOLINK T10 4.1.8cu.5207 Affected by Remote Exploit
CVE-2025-6138

8.7HIGH

Key Information:

Vendor

Totolink
Status
T10
Vendor
CVE Published:
16 June 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-6138?

A buffer overflow vulnerability exists in the TOTOLINK T10 router's HTTP POST request handler specifically in the 'setWizardCfg' function. By manipulating the 'ssid5g' parameter, attackers can execute remote code, leading to potential unauthorized access to the system. The flaw has been disclosed publicly, raising significant security concerns for users of this product. Implementing necessary updates and patches is critical to safeguard against potential exploits.

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-2025-6138 - Proof of Concept

References

https://vuldb.com/?id.312607
vdb-entrytechnical-description
https://vuldb.com/?ctiid.312607
signaturepermissions-required
https://vuldb.com/?submit.592917
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

  • Vulnerability Reserved

Credit

ysnlrh (VulDB User)
.
CVE-2025-6138 : Buffer Overflow in TOTOLINK T10 4.1.8cu.5207 Affected by Remote Exploit