CVE-2019-16057
CriticalExploitedPublic exploitThe login_mgr.cgi script in D-Link DNS-320 through 2.05.B10 is vulnerable to remote command injection.
Published Sep 16, 2019 · Updated Nov 6, 2025
Key Facts
Patch immediately- CVE-2019-16057 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting DNS-320 Firmware (Dlink).
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Sep 23, 2019 and is known to be used in ransomware campaigns. Public exploit code is available.
- EPSS estimates a 86% probability of exploitation in the next 30 days.
- Fixed versions are available, including DNS-320 Firmware <=2.05.b10, DNS-320 Firmware 2.05.b10.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
86%
Higher than 99.7% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings, used by ransomware
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2019-16057 brief as a PDF
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Description
The login_mgr.cgi script in D-Link DNS-320 through 2.05.B10 is vulnerable to remote command injection.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Apr 15, 2022 | May 6, 2022 | Known |
| Industry KEV feed | Sep 23, 2019 | May 6, 2022 | Known |
| CIRCL KEV | Apr 15, 2022 | May 6, 2022 | Known |
| ENISA EUVD | Apr 15, 2022 | n/a | Not reported |
Required action: The impacted product is end-of-life and should be disconnected if still in use.
Affected Products
1 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| DNS-320 FirmwareDlink | See advisory | 2.05.b10 |
Patched Releases
DNS-320 Firmware
<=2.05.b10
Timeline
Publicly disclosed
Sep 16, 2019
Added to Industry KEV feed
Sep 23, 2019
Added to CISA KEV
Apr 15, 2022
Added to CIRCL KEV
Apr 15, 2022
Added to ENISA EUVD
Apr 15, 2022
Last updated
Nov 6, 2025
Weakness Type
- CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
References
- advisoryhttps://www.ftc.gov/system/files/documents/cases/dlink_proposed_order_and_judgment_7-2-19.pdf
- exploithttps://blog.cystack.net/d-link-dns-320-rce/
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
FAQ
Common Questions.
The login_mgr.cgi script in D-Link DNS-320 through 2.05.B10 is vulnerable to remote command injection.
Affected: DNS-320 Firmware (Dlink). The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Sep 23, 2019 and is known to be used in ransomware campaigns.
Yes. It was added on Apr 15, 2022 with a federal remediation due date of May 6, 2022.
Public exploit code is available.
Fixed versions are available, including DNS-320 Firmware <=2.05.b10, DNS-320 Firmware 2.05.b10.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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