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CVE REMEDIATION GUIDE
CISA KEV · Known exploitedCriticalResearch in progress

CVE-2024-3272 remediation guide

D-Link Multiple NAS Devices

** UNSUPPORTED WHEN ASSIGNED ** A vulnerability, which was classified as very critical, has been found in D-Link DNS-320L, DNS-325, DNS-327L and DNS-340L up to 20240403. This issue affects some unknown processing of the file /cgi-bin/nas_sharing.cgi of the component HTTP GET Request Handler. The manipulation of the argument user with the input messagebus leads to hard-coded credentials. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-259283. NOTE: This vulnerability only affects produc...

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A verified fixed-version field is not available. Use the linked NVD and supporting references, then confirm the vendor-supported path before changing production systems.

ProductD-Link Multiple NAS Devices
Affected versions20240403, 1.01.0702.2013, 1.03.0904.2013, 1.11, 1.01, 1.00.0409.2013, 1.09, 1.08
Fixed versionsNo verified fixed-version field is available yet
Priority basisImmediate · CVSS 9.8 · EPSS 98.0%
01

Identify the affected asset

Confirm whether D-Link Multiple NAS Devices is installed, record the deployed version and installation path, and identify exposed interfaces.

  • Record the product name, package or appliance identifier, and installed version.
  • Identify internet-facing, administrative, API, and internal access paths.
  • Preserve the pre-change configuration and relevant service logs.
02

Validate the affected-version match

Compare the deployed version with the affected range: 20240403, 1.01.0702.2013, 1.03.0904.2013, 1.11, 1.01, 1.00.0409.2013, 1.09, 1.08. Treat incomplete inventory results as unresolved.

03

Prioritize with independent signals

CISA has listed this vulnerability in the Known Exploited Vulnerabilities catalog. Combine this signal with asset criticality, exposure, compensating controls, and business impact.

04

Apply supported remediation

This vulnerability affects legacy D-Link products. All associated hardware revisions have reached their end-of-life (EOL) or end-of-service (EOS) life cycle and should be retired and replaced per vendor instructions.

05

Verify the result

Confirm the resulting version, service health, authentication and access paths, monitoring coverage, and relevant security logs.

  • Confirm the expected version and package state.
  • Run a functional health check for critical service paths.
  • Review authentication, error, application, and security monitoring logs.
  • Reassess exposure if the supported fix cannot be applied.

Operational boundary

This page does not replace the vendor advisory, support contract, change-management process, or recovery plan. Do not infer that an asset is unaffected from an incomplete inventory query or a missing fixed-version field.