CVE-2025-6139

| EUVD-2025-18435 LOW
2025-06-16 [email protected]
3.9
CVSS 3.1

CVSS Vector

CVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L
Attack Vector
Adjacent
Attack Complexity
High
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low

Lifecycle Timeline

4
Analysis Generated
Mar 14, 2026 - 21:59 vuln.today
EUVD ID Assigned
Mar 14, 2026 - 21:59 euvd
EUVD-2025-18435
PoC Detected
Jun 26, 2025 - 16:27 vuln.today
Public exploit code
CVE Published
Jun 16, 2025 - 21:15 nvd
LOW 3.9

Description

A vulnerability, which was classified as problematic, has been found in TOTOLINK T10 4.1.8cu.5207. Affected by this issue is some unknown functionality of the file /etc/shadow.sample. The manipulation leads to use of hard-coded password. The attack can only be initiated within the local network. The complexity of an attack is rather high. The exploitation is known to be difficult. The exploit has been disclosed to the public and may be used.

Analysis

A vulnerability, which was classified as problematic, has been found in TOTOLINK T10 4.1.8cu.5207. Affected by this issue is some unknown functionality of the file /etc/shadow.sample. The manipulation leads to use of hard-coded password. The attack can only be initiated within the local network. The complexity of an attack is rather high. The exploitation is known to be difficult. The exploit has been disclosed to the public and may be used.

Technical Context

This vulnerability is classified as Credentials Management Errors (CWE-255).

Affected Products

Affected products: Totolink T10 Firmware 4.1.8cu.5207_b20210320

Remediation

Monitor vendor advisories for patches. Apply mitigations such as network segmentation, access restrictions, and monitoring.

Priority Score

40
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +20
POC: +20

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CVE-2025-6139 vulnerability details – vuln.today

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