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Varaxon Technologies

Known exploited vulnerability · CISA KEV

CVE-2024-3272: D-Link Multiple NAS Devices Use of Hard-Coded Credentials Vulnerability

D-Link DNS-320L, DNS-325, DNS-327L, and DNS-340L contains a hard-coded credential that allows an attacker to conduct authenticated command injection, leading to remote, unauthorized code execution.

CVE-2024-3272

Exploited in the wild. Fix this first.

CISA added it to the Known Exploited Vulnerabilities catalog on 2024-04-11: attackers are using it right now.

CISA KEV
Listed
Added 2024-04-11 · federal fix-by 2024-05-02
EPSS (30 days)
98%
Higher than 99.9% of CVEs · 2026-11-01
CVSS
No score

What CISA says

D-Link Multiple NAS Devices Use of Hard-Coded Credentials Vulnerability

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.

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How to check if you are exposed to CVE-2024-3272

  1. Find every D-Link Multiple NAS Devices system you or your clients run, including ones exposed to the internet. Those come first: CISA only lists flaws attackers are already using.
  2. Compare each version with the fixed versions in the vendor advisory below. Where no fix exists yet, apply the vendor’s mitigation or take the system off the internet.
  3. Run a credentialed vulnerability scan to catch the systems you missed, then check that the next scan no longer reports CVE-2024-3272.

US federal agencies had to fix this by 2024-05-02. Everyone else should treat that deadline as a guide: if it has passed, this is overdue.

Timeline

  1. · Added to CISA's Known Exploited Vulnerabilities catalog
  2. · Fix-by date for US federal agencies, passed 913 days ago

Vendor advisories and fixes

Weakness type

More exploited D-Link vulnerabilities

CISA lists 26 exploited D-Link vulnerabilities. The closest matches:

Keep going

Sources: CISA Known Exploited Vulnerabilities catalog (version 2026.10.30); EPSS data from FIRST.org; CVSS and descriptions from the NIST National Vulnerability Database. Checked 2026-11-01. This product uses the NVD API but is not endorsed or certified by the NVD.

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