CVE-2025-10634: d-link dir-823x Injection

Vulnerability summary

CVE-2025-10634 is a high (CVSS 8.8) Injection vulnerability in d-link dir-823x. EPSS estimates a 7.36% chance of exploitation in the next 30 days, higher than 94.3% of scored vulnerabilities. 2 public exploits are recorded.

Timeline

1. 18-09-2025
   PublishedVulnerability first disclosed.
2. 18-09-2025
   Last modifiedVulnerability information updated.

Description

A weakness has been identified in D-Link DIR-823X 240126/240802/250416. The impacted element is the function sub_412E7C of the file /usr/sbin/goahead of the component Environment Variable Handler. This manipulation of the argument terminal_addr/server_ip/server_port causes command injection. The attack can be initiated remotely. The exploit has been made available to the public and could 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.