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Known exploited vulnerability

CVE-2024-3273

criticalCVSS 3.1 9.8In CISA KEVEPSS 100%Published · D-Link

The short answer

CVE-2024-3273 affects D-Link DNS-320L and is rated critical (CVSS 9.8). CISA added it to the Known Exploited Vulnerabilities catalog on 2024-04-11: attackers are using it, so patch it first.

What it is

** 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.

Weakness: CWE-77.

Severity

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploited (CISA KEV)

Yes, since Apr 11, 2024

Federal due date May 2, 2024

EPSS, next 30 days

100%

Higher than 100% of scored CVEs

How it can be exploited

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

What CISA says to do

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.

Affected products

DNS-320L, DNS-325, DNS-327L, DNS-340L, dns-320l_firmware, dns-325_firmware, dns-327l_firmware, dns-340l_firmware. NVD's record lists the exact affected versions.

References

Questions

Is CVE-2024-3273 being exploited?

Yes. CISA added CVE-2024-3273 to its Known Exploited Vulnerabilities catalog on 2024-04-11, with a federal remediation due date of 2024-05-02.

How do I fix CVE-2024-3273?

CISA's required action: 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.

From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.

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