CVE-2024-3273: D-Link Multiple NAS Devices Command Injection Vulnerability

Vulnerability summary

CVE-2024-3273 is a critical (CVSS 9.8) Command Injection vulnerability in D-Link Multiple NAS Devices. It is known to be exploited: CISA lists it, first on 11-04-2024. EPSS estimates a 100.00% chance of exploitation in the next 30 days, higher than 99.9% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 04-04-2024
   PublishedVulnerability first disclosed.
2. 11-04-2024
   Added to CISA KEVD-Link Multiple NAS Devices Command Injection Vulnerability
3. 02-05-2024
   CISA remediation dueApply mitigations per vendor instructions.
4. 21-10-2025
   Last modifiedVulnerability information updated.

Description

** UNSUPPORTED WHEN ASSIGNED ** A vulnerability, which was classified as critical, was found in D-Link DNS-320L, DNS-325, DNS-327L and DNS-340L up to 20240403. Affected is an unknown function of the file /cgi-bin/nas_sharing.cgi of the component HTTP GET Request Handler. The manipulation of the argument system leads to command injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-259284. NOTE: This vulnerability only affects products that are no longer supported by the maintainer. NOTE: Vendor was contacted early and confirmed immediately that the product is end-of-life. It should be retired and replaced.

• 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.