SB2026010732 - Remote code execution in unsupported D-Link DSL gateways



SB2026010732 - Remote code execution in unsupported D-Link DSL gateways

Published: January 7, 2026

Security Bulletin ID SB2026010732
Severity
Critical
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Critical 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) OS command injection (CVE-ID: CVE-2026-0625)

The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation within the dnscfg.cgi endpoint. A remote unauthenticated attacker can pass specially crafted data to the application and execute arbitrary OS commands on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Note, the vulnerability is being actively exploited in the wild.


Remediation

Install update from vendor's website.