CVE-2025-14208: d-link dir-823x Injection

Vulnerability summary

CVE-2025-14208 is a medium (CVSS 6.5) Injection vulnerability in d-link dir-823x. EPSS estimates a 3.39% chance of exploitation in the next 30 days, higher than 88.6% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 08-12-2025
   PublishedVulnerability first disclosed.
2. 08-12-2025
   Last modifiedVulnerability information updated.

Description

A security flaw has been discovered in D-Link DIR-823X up to 20250416. This affects the function sub_415028 of the file /goform/set_wan_settings. The manipulation of the argument ppp_username results in command injection. It is possible to launch the attack remotely. The exploit has been released to the public and may be exploited.

• CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.
• 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.