What is CVE-2024-3273?

CVE-2024-3273 is a high-severity vulnerability in D-link Dns-320l, classified under Command Injection. CVSS score: 7.3/10. Published 2024-04-04.

How severe is CVE-2024-3273?

High severity. CVSS v3 base score is 7.3 out of 10.

Is CVE-2024-3273 known to be exploited?

Yes. CVE-2024-3273 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2024-04-11), indicating it is being actively exploited. 52 public proof-of-concept repositories are indexed.

RCE in D-link Dns-320l

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 com…

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.944 (100.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

D-link Dns-320l — versions 20240403
D-link Dns-325 — versions 20240403
D-link Dns-327l — versions 20240403
D-link Dns-340l — versions 20240403

Weakness classification (CWE)

CWE-77 — Command Injection

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2024-04-11. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2024-05-02.

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.

Public proof-of-concept exploits

References

VDB-259284 | D-Link DNS-320L/DNS-325/DNS-327L/DNS-340L HTTP GET Request nas_sharing.cgi command injection (vdb-entry, technical-description)
VDB-259284 | CTI Indicators (IOB, IOC, TTP, IOA) (signature, permissions-required)
Submit #304661 | D-LINK DNS-340L, DNS-320L, DNS-327L, DNS-325 Version 1.11, Version 1.00.0409.2013, Version 1.09, Version 1.08, Version 1.03.0904.2013, Version 1.01 Command Injection, Backdoor Account (third-party-advisory)
github.com/netsecfish/dlink (exploit)
supportannouncement.us.dlink.com/security/publication.aspx (related)

Frequently asked questions

What is CVE-2024-3273?: CVE-2024-3273 is a high-severity vulnerability in D-link Dns-320l, classified under Command Injection. CVSS score: 7.3/10. Published 2024-04-04.
How severe is CVE-2024-3273?: High severity. CVSS v3 base score is 7.3 out of 10.
Is CVE-2024-3273 known to be exploited?: Yes. CVE-2024-3273 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2024-04-11), indicating it is being actively exploited. 52 public proof-of-concept repositories are indexed.