D-Link · Multiple NAS Devices
CVE-2024-3272
D-Link DNS-320L/DNS-325/DNS-327L/DNS-340L HTTP GET Request nas_sharing.cgi hard-coded credentials
What it is
** 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.
CISA: D-Link DNS-320L, DNS-325, DNS-327L, and DNS-340L contains a hard-coded credential that allows an attacker to conduct authenticated command injection, leading to remote, unauthorized code execution.
What 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.
Deadline for US federal agencies: May 2, 2024
More exploited flaws from D-Link
| Added | Vulnerability | Product | Severity | Attack chance |
|---|---|---|---|---|
| Apr 11, 2024 | Command Injection | Multiple NAS Devices | High 7.3 | >99.9% |
| Apr 24, 2026 | Command Injection | DIR-823X | High 7.2 | 88% |
| Dec 8, 2025 | Buffer Overflow | Routers | Critical 9.8 | 56% |
| Aug 5, 2025 | Unspecified | DCS-2530L and DCS-2670L Devices | High 7.5 | 98% |
| Aug 5, 2025 | DCS-2530L and DCS-2670L Command Injection | DCS-2530L and DCS-2670L Devices | High 8.8 | 54% |
| Aug 5, 2025 | Download of Code Without Integrity Check | DNR-322L | High 8.8 | 34% |
| Jun 25, 2025 | D-Link DIR-859 Router Path Traversal | DIR-859 Router | Medium 5.3 | 83% |
| Sep 30, 2024 | OS Command Injection | DIR-820 Router | Critical 9.8 | 98% |
Sources: Known Exploited Vulnerabilities (CISA, public domain), CVE records (cve.org) and EPSS (FIRST). The chance of attacks is the EPSS estimate that someone will try to exploit the flaw in the next 30 days.