Critical Severity Vulnerability
This vulnerability has been rated as Critical severity. Immediate action is recommended.
CVE-2025-69542
Critical
Low
Medium
High
Critical
9.8
CVSS Score
Published: Jan 09, 2026
Last Modified: Jan 13, 2026
Vulnerability Description
A Command Injection Vulnerability has been discovered in the DHCP daemon service of D-Link DIR895LA1 v102b07. The vulnerability exists in the lease renewal processing logic where the DHCP hostname parameter is directly concatenated into a system command without proper sanitization. When a DHCP client renews an existing lease with a malicious hostname, arbitrary commands can be executed with root privileges.
CVSS Metrics
Common Vulnerability Scoring System
Vector String:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
N
Attack Complexity
L
Privileges Required
N
User Interaction
N
Scope
U
Confidentiality
H
Integrity
H
Availability
H
Severity Details
9.8
out of 10.0
Critical
Key Information
- Published Date
- January 09, 2026
