CVE-2024-3273

CVE-2024-3273 is a high-severity vulnerability in Dlink Dns-320l Firmware with a CVSS 3.x base score of 7.3. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2024-04-11). The underlying weakness is classified as CWE-77.

Key facts

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.

Frequently asked questions

What is CVE-2024-3273?
** 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.
How severe is CVE-2024-3273?
CVE-2024-3273 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2024-3273 being actively exploited?
Yes. CVE-2024-3273 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2024-04-11, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2024-3273?
CVE-2024-3273 primarily affects Dlink Dns-320l Firmware. In total, 23 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-3273?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2024-3273 have an EU (EUVD) identifier?
Yes. CVE-2024-3273 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-31863. It is also flagged as exploited in the EUVD (since 2024-04-11).
When was CVE-2024-3273 published?
CVE-2024-3273 was published on 2024-04-04 and last updated on 2026-06-17.

References

Affected products (23)

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