CVE-2019-16057

D-Link NAS DNS (ShareCenter) · Backup, storage and NAS

D-Link DNS-320 Remote Code Execution Vulnerability

What should I do?

At a glance

Exploited. Added to CISA’s catalog of exploited vulnerabilities on April 15, 2022.

Used in ransomware attacks, according to CISA.

End-of-life product: no patch is coming. Remove it or isolate it from the network.

Affected product: D-Link NAS DNS (ShareCenter) (category Backup, storage and NAS, indicative classification). Name in CISA’s catalog: D-Link DNS-320 Storage Device.

What should I do?

This product has reached end of life: no patch is coming. Remove it or isolate it from the network.

Deadline set by CISA for US federal agencies: 21 days (due May 6, 2022). It only binds those agencies, but it is a useful measure of urgency.

D-Link security advisories page (general page, not the advisory for this vulnerability)
The vendor’s specific advisory is listed in the NVD references: CVE-2019-16057 on the NVD website.

Original text of the required action (CISA)

The impacted product is end-of-life and should be disconnected if still in use.

Timeline

September 16, 2019 Vulnerability published Publication date (NVD)
April 15, 2022 Exploitation confirmed Added to CISA’s KEV catalog
May 6, 2022 CISA deadline Remediation deadline set for US federal agencies

The facts, with their sources

Exploitation confirmed: Yes, on April 15, 2022 Date added to the catalog of exploited vulnerabilities. Exploitation itself may have started earlier. Source: KEV catalog, collected September 29, 2026 at 14:57 UTC
Ransomware: Known use Source: KEV catalog, collected September 29, 2026 at 14:57 UTC
Hunt for compromise: Not requested by CISA Source: KEV catalog, collected September 29, 2026 at 14:57 UTC
CISA required action: This product has reached end of life: no patch is coming. Remove it or isolate it from the network. Rewritten by this site from CISA’s original text. Source: KEV catalog, collected September 29, 2026 at 14:57 UTC
CISA deadline: May 6, 2022, 21 days Set for US federal agencies: a measure of urgency, not an obligation elsewhere. Source: KEV catalog, collected September 29, 2026 at 14:57 UTC
Vulnerability published: September 16, 2019 Source: National Vulnerability Database (NVD), collected September 29, 2026 at 15:00 UTC
Product according to CISA: D-Link DNS-320 Storage Device Filed by this site under “Backup, storage and NAS” (indicative classification). Source: KEV catalog, collected September 29, 2026 at 14:57 UTC
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Technical detail of the score: attack vector, complexity, impact. Source: National Vulnerability Database (NVD), collected September 29, 2026 at 15:00 UTC

Severity and activity

9.8 / 10 CVSS severity: critical

Score from the NVD. Collected Sep 29, 2026.

— Probability of exploitation in the next 30 days (EPSS)

FIRST’s EPSS model. Since exploitation is already confirmed, this figure is mostly useful to compare activity. Collected Sep 29, 2026.

Description

The login_mgr.cgi script in D-Link DNS-320 through 2.05.B10 is vulnerable to remote command injection.

The login_mgr.cgi script in D-Link DNS-320 is vulnerable to remote code execution.

Summary from CISA (KEV catalog).

CERT-FR advisories

No advisory among the latest CERT-FR publications this site follows. That does not mean there are none.

Information reused under the Open Licence 2.0 (Etalab); the date of last update is shown for each advisory. This site is neither affiliated with nor endorsed by ANSSI.

Sources for this page

CISA KEV catalog: exploitation, date added, required action, deadline, ransomware.
NVD (NIST): CVSS severity, publication date, description, vendor references.
EPSS (FIRST): probability of exploitation.
CERT-FR: advisories and alerts (in French).
Brand and category: indicative classification by this site (method).