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CVE-2024-3272

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

9.8 CRITICALActively exploited (CISA KEV)Public exploitEPSS 98.0%
  1. Published3 Apr 2024
  2. Added to CISA KEV11 Apr 2024
  3. Remediation due2 May 2024
Actively exploited (CISA KEV)

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.

Added to KEV: 11 Apr 2024Federal remediation due: 2 May 2024

Description

** 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 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.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

D-Link Dnr-202l Firmwareall versions
D-Link Dnr-322l Firmwareall versions
D-Link Dnr-326 Firmwareall versions
D-Link Dns-1100-4 Firmwareall versions
D-Link Dns-1200-05 Firmwareall versions
D-Link Dns-120 Firmwareall versions
D-Link Dns-1550-04 Firmwareall versions
D-Link Dns-315l Firmwareall versions
D-Link Dns-320 Firmwareall versions
D-Link Dns-320l Firmware1.01.0702.2013 · 1.03.0904.2013 · 1.11
D-Link Dns-320lw Firmwareall versions
D-Link Dns-321 Firmwareall versions
D-Link Dns-323 Firmwareall versions
D-Link Dns-325 Firmware1.01
D-Link Dns-326 Firmwareall versions
D-Link Dns-327l Firmware1.00.0409.2013 · 1.09
D-Link Dns-340l Firmware1.08
D-Link Dns-343 Firmwareall versions
D-Link Dns-345 Firmwareall versions
D-Link Dns-726-4 Firmwareall versions

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

Frequently asked

Is CVE-2024-3272 being actively exploited?

Yes. CVE-2024-3272 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 11 Apr 2024.

How severe is CVE-2024-3272?

CVE-2024-3272 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 98.0% probability of exploitation.

Which products are affected by CVE-2024-3272?

Affected products include D-Link Dnr-202l Firmware, D-Link Dnr-322l Firmware, D-Link Dnr-326 Firmware, D-Link Dns-1100-4 Firmware, D-Link Dns-1200-05 Firmware, and 15 more.

How do I fix CVE-2024-3272?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2024-3272 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, Secuno flags any affected asset as top-priority automatically. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.