CVE-2025-60675: dlink dir-823g_firmware Command Injection

Vulnerability summary

CVE-2025-60675 is a medium (CVSS 5.4) Command Injection vulnerability in dlink dir-823g_firmware. EPSS estimates a 1.47% chance of exploitation in the next 30 days, higher than 73.4% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 13-11-2025
   PublishedVulnerability first disclosed.
2. 05-07-2026
   Last modifiedVulnerability information updated.

Description

A command injection vulnerability exists in the D-Link DIR-823G router firmware DIR823G_V1.0.2B05_20181207.bin in the timelycheck and sysconf binaries, which process the /tmp/new_qos.rule configuration file. The vulnerability occurs because parsed fields from the configuration file are concatenated into command strings and executed via system() without any sanitization. An attacker with write access to /tmp/new_qos.rule can execute arbitrary commands on the device.

• CWE-77Improper Neutralization of Special Elements used in a Command ('Command Injection')The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.