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CVE-2024-3272VulnerabilityPublished Updated

CVE-2024-3272: D-Link DNS-320L · Hard-coded Credentials

Affects D-Link DNS-320LSource CVE Database V5

0

Exploited in the wild · KEV due 2 May 2024 · public detection template (Nuclei) · 98% EPSS · end of life, no fix coming : replace or isolate D-Link DNS-320L; no fix will be released.

Data as of 26 Oct 2026, 06:26 UTC

CVSS 3.1 base score
9.8Critical
How severe the flaw is on the 0–10 CVSS scale.
KEV deadline
 US federal agencies must patch by this date; a sensible deadline for everyone else.
EPSS
98.1% chance of exploitation in 30 days – higher than 99% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
None coming – the product is end of life
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

t = 0 is the CVE’s publication on cve.org

  1. Disclosed: evidence found.

    CVE published 4 Apr 2024

  2. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  3. Exploited in the wild: evidence found.

    Listed in CISA KEV 7 days after disclosure

  4. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

Timeline

  1. CVE ID reserved

    by VulDB

    , 7 hours before disclosure

  2. CVE published

    on cve.org

    , t = 0

  3. , 7 days after disclosure

  4. KEV remediation due

    US federal deadline

    , 28 days after disclosure

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), CISA KEV (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-26.

What to do

No fix will be released: D-Link DNS-320L is end of life. Replace it, or isolate it from untrusted networks until you can.

Affected software

ProductAffectedFixed in
D-Link DNS-320LAffected
  • =20240403
Fixed in–

Check the firmware or software version for D-Link DNS-320L in the device's admin interface against the vendor advisory.

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.

References

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