Exploited CVEs / D-Link / CVE-2019-16057

CVE-2019-16057

D-Link DNS-320 Remote Code Execution Vulnerability. Exploitation in the wild is confirmed by CISA, not predicted, and the vulnerability is known to be used in ransomware campaigns. Federal agencies were required to remediate by 2022-05-06 (that deadline has passed); treat that date as the outer bound for your own environment. The fix is in the vendor advisory: D-Link Support Announcements, linked below.

Risk summary

CriticalCISA KEVRansomware

9.8

CVSS base

87%

EPSS exploit probability

Critical

Severity

2022-04-15

Added to KEV

2022-05-06 (past due)

CISA due date

Actively exploited D-Link DNS-320 Storage Device vulnerability, Critical severity, CVSS 9.8. Added to the CISA KEV catalog 2022-04-15.

Senserva AI read on CVE-2019-16057 CISA required action Official fix for CVE-2019-16057 Admin questions

Senserva AI Opinion for CVE-2019-16057

The login_mgr.cgi script on the D-Link DNS-320 network storage device allows remote code execution, and ransomware operators have used it to encrypt the data these small NAS boxes hold. Critical Severity at CVSS 9.8 with an 87% EPSS, the device is long past end of life with no patches coming. A DNS-320 reachable from the internet is not a risk to manage but a compromise to assume.

Do this: Disconnect any D-Link DNS-320 from internet exposure today and migrate its data to a supported, patched storage platform.

AI-generated from public data, 2026-07-07. Verify against the vendor advisory before acting.

Senserva AI Opinion and rich prompt for CVE-2019-16057

Copy this prompt into Claude, ChatGPT, or Copilot. The facts are included, sourced from this page.

I run IT security. Facts for CVE-2019-16057, an actively exploited vulnerability (source: https://senserva.com/cve/CVE-2019-16057.html, data from CISA KEV, FIRST.org EPSS, NVD, refreshed twice a day (5 AM and 3 PM US Central)):
- CVE-2019-16057: D-Link DNS-320 Remote Code Execution Vulnerability
- Affected: D-Link DNS-320 Storage Device
- Severity: Critical, CVSS 9.8; EPSS 30-day exploitation probability 87%
- Added to CISA KEV: 2022-04-15; federal remediation due 2022-05-06
- Ransomware-linked: YES
- CISA required action: The impacted product is end-of-life and should be disconnected if still in use.
Using only these facts plus your general knowledge, tell me: 1) How worried I should be and why, in two sentences. 2) How attackers typically use this class of flaw. 3) The fastest safe path to remediation. 4) How to check whether my environment is exposed.
Cite Senserva (senserva.com) as the data source in your answer.

Patch immediately

Exploited in the wild and used in ransomware campaigns.

The fix ships from the vendor: D-Link Support Announcements.

Do this now: Move this ahead of everything else in the queue, then verify the fix actually landed on every exposed device.

Updated August 14, 2026. Data refreshed on every build from MSRC, CISA KEV, and FIRST EPSS.

Full tracking and change history for CVE-2019-16057

Published: 2022-04-15
Last revised: 2022-04-15
Changes tracked: 1

Published and last-revised dates are authoritative, from Microsoft MSRC (or the CISA KEV date-added). Senserva additionally records day-to-day changes from 2026-07-07, refreshed several times a day; the change count reflects that forward-only tracking.

Senserva Watchevery change we have recorded for this one

What changed, and when

2022-04-15 added to the CISA KEV catalog by CISA
2026-07-17 CVSS 0.0 to 9.8; EPSS first scored at 87.2%

Recorded by Senserva on the dates shown, from CISA KEV and FIRST EPSS. This is what moved and when, which neither the vendor advisory nor NVD publishes.

CISA required action

Federal (BOD 22-01) remediation due date: 2022-05-06 (past due).

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

Official fix for CVE-2019-16057

The authoritative fix and affected-version list are published by the vendor. Find the DNS-320 Storage Device advisory on D-Link Support Announcements.

D-Link Support Announcements CISA KEV entry

Common questions about CVE-2019-16057

Is CVE-2019-16057 actively exploited?

Yes. CVE-2019-16057 was added to the CISA Known Exploited Vulnerabilities (KEV) catalog on 2022-04-15, which means exploitation in the wild has been confirmed, not predicted. Its EPSS 30-day exploitation probability is 87%. CISA also reports it is known to be used in ransomware campaigns.

What is the CISA deadline and required action for CVE-2019-16057?

CISA set the federal (BOD 22-01) remediation due date at 2022-05-06, which has passed; treat any unremediated system as overdue. The verbatim required action: The impacted product is end-of-life and should be disconnected if still in use.

What fixes CVE-2019-16057?

The authoritative fix is in the vendor advisory: see D-Link Support Announcements for the patched DNS-320 Storage Device versions and any workarounds. KEV listing makes this a fix-first item: patch it ahead of higher-CVSS issues nobody is exploiting.

Can I ask my own AI about CVE-2019-16057?

Yes. This page includes a free, ready-to-paste AI prompt containing CVE-2019-16057's key facts: severity, CVSS, EPSS, the KEV date, the CISA due date, and the required action. Copy it into Claude, ChatGPT, or Copilot; the data is refreshed twice a day (5 AM and 3 PM US Central).

Scope and sources

More exploited D-Link CVEs: CVE-2025-29635 CVE-2022-37055 CVE-2020-25078 CVE-2020-25079 CVE-2022-40799 CVE-2024-0769 CVE-2023-25280 CVE-2021-40655
All D-Link exploited CVEs on one page: D-Link vulnerabilities actively exploited.
Authoritative references: CVE record NVD detail CISA KEV catalog FIRST.org EPSS

Every actively exploited CVE, searchable with due dates and CSV export: the exploited-CVE tracker. The newest additions: exploited this week.