Hard-Coded Password Vulnerability in TOTOLINK T10 by TOTOLINK
CVE-2025-6139

2LOW

Key Information:

Vendor

Totolink
Status
T10
Vendor
CVE Published:
16 June 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-6139?

A security issue has been identified in the TOTOLINK T10, specifically related to the /etc/shadow.sample file, which contains a hard-coded password. This vulnerability requires an attacker to be within the local network to exploit the system. Although the complexity of executing the attack is deemed high, the public disclosure of this exploit raises concerns about potential unauthorized access. Users are advised to review their device configurations and implement necessary security measures to mitigate risks associated with hard-coded credentials.

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-2025-6139 - Proof of Concept

References

https://vuldb.com/?id.312608
vdb-entry
https://vuldb.com/?ctiid.312608
signaturepermissions-required
https://vuldb.com/?submit.592922
third-party-advisory

CVSS V4

Score:
2
Severity:
LOW
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Adjacent Network
Attack Complexity:
High
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

ysnysnysn0121 (VulDB User)
.
CVE-2025-6139 : Hard-Coded Password Vulnerability in TOTOLINK T10 by TOTOLINK