CVE-2025-4453: d-link dir-619l_firmware Injection

Vulnerability summary

CVE-2025-4453 is a critical (CVSS 9.8) Injection vulnerability in d-link dir-619l_firmware. EPSS estimates a 6.98% chance of exploitation in the next 30 days, higher than 94% of scored vulnerabilities.

Timeline

1. 09-05-2025
   PublishedVulnerability first disclosed.
2. 09-05-2025
   Last modifiedVulnerability information updated.

Description

A vulnerability was found in D-Link DIR-619L 2.04B04. It has been classified as critical. This affects the function formSysCmd. The manipulation of the argument sysCmd leads to command injection. It is possible to initiate the attack remotely. The vendor was contacted early about this disclosure. This vulnerability only affects products that are no longer supported by the maintainer.

• 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.