CVE-2019-16057 — D-Link DNS-320 Remote Code Execution Vulnerability

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

01What is this vulnerability?

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

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Yes — actively exploited. Added to the CISA KEV catalog on 2022-04-15. Ransomware use: Known.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

Open in Sigma generator →

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2019-09-16T11:58:14.000Z
• Last modified: 2025-10-21T23:45:30.475Z
• Added to CISA KEV: 2022-04-15
• BOD 22-01 due: 2022-05-06

09References

• www.ftc.gov — https://www.ftc.gov/system/files/documents/cases/dlink_proposed_order_and_judgme…
• blog.cystack.net — https://blog.cystack.net/d-link-dns-320-rce/