Security readout for executives and security teams
Plain-English summary
Certain unsupported D-Link NAS devices allow remote command injection through their web interface. CISA lists this CVE as known exploited, and public exploit material exists. Because the products are end-of-life, the practical business decision is replacement, not waiting for a normal patch cycle.
Executive priority
Treat this as urgent for any exposed device. The affected products are unsupported, actively exploited, and can allow remote command execution. Prioritize removal from the internet and replacement.
Technical view
CVE-2024-3273 affects D-Link DNS-320L, DNS-325, DNS-327L, and DNS-340L via the /cgi-bin/nas_sharing.cgi HTTP GET handler. Manipulation of the system argument can lead to OS command injection over the network without authentication per the CVSS vector. The vendor confirmed the products are end-of-life.
Likely exposure
Exposure is most likely where the listed D-Link NAS models are still deployed, especially if their web interface is reachable from the internet or broad internal networks.
Exploitation context
Active exploitation is supported by CISA KEV and GreyNoise reporting. The CVE record also states a public exploit has been disclosed and may be used. No source in the bundle indicates a vendor patch for supported use.
Researcher notes
Evidence is strong for affected models, vulnerable component, public exploit availability, and active exploitation. The bundle does not establish a supported firmware fix. Avoid relying on exploit-based validation; use inventory, exposure review, and log analysis.
Mitigation direction
- Retire and replace affected D-Link NAS devices.
- Remove internet exposure for any affected device immediately.
- Restrict access to trusted management networks or VPN only.
- Review D-Link and CISA guidance for any updated direction.
- Preserve logs and investigate if exposure was internet-facing.
Validation and detection
- Inventory for DNS-320L, DNS-325, DNS-327L, and DNS-340L devices.
- Check external attack-surface records for exposed D-Link NAS web interfaces.
- Review web logs for requests to /cgi-bin/nas_sharing.cgi.
- Confirm whether any affected device is end-of-life and unsupported.
- Check CISA KEV status for remediation urgency.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-77: Command execution behavior lookup
Command injection weaknesses can lead defenders to review execution techniques and command interpreter telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2024-3273 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.5 (2.0)
- Known Exploited
- Yes
- Published
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CISA KEV status
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
AV:N/AC:L/Au:N/C:P/I:P/A:P106.4Primary CVE scoreVulnerability scoring details
Base CVSS 2.0 score
7.5HighVector: AV:N/AC:L/Au:N/C:P/I:P/A:P
Source materials
- CVE List V5 sourceCVE List V5
- VDB-259284 | D-Link DNS-320L/DNS-325/DNS-327L/DNS-340L HTTP GET Request nas_sharing.cgi command injectionCVE reference · vdb-entry, technical-description
- VDB-259284 | CTI Indicators (IOB, IOC, TTP, IOA)CVE reference · 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 AccountCVE reference · third-party-advisory
- https://github.com/netsecfish/dlinkCVE reference · exploit
- https://supportannouncement.us.dlink.com/security/publication.aspx?name=SAP10383CVE reference · related
- https://www.greynoise.io/blog/cve-2024-3273-d-link-nas-rce-exploited-in-the-wildCVE reference
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-3273CVE reference · government-resource
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Neutralization of Special Elements used in a Command ('Command Injection')
Improper Neutralization of Special Elements used in a Command ('Command Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.