CVE-2016-20017
KEVD-Link DSL-2750B Devices Command Injection Vulnerability
Description
D-Link DSL-2750B devices contain a command injection vulnerability that allows remote, unauthenticated command injection via the login.cgi cli parameter.
D-Link DSL-2750B devices before 1.05 allow remote unauthenticated command injection via the login.cgi cli parameter, as exploited in the wild in 2016 through 2022.
CVSS 3.1 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HPublishedOct 19, 2022
Last modifiedJun 17, 2026
Added to KEVJan 8, 2024
Remediation dueJan 29, 2024
References
- seclists.org/fulldisclosure/2016/Feb/53ExploitMailing List
- supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10088PatchVendor Advisory
- exploit-db.com/exploits/44760ExploitThird Party Advisory
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-20017US Government Resource
0 recent articles mention this CVE
86
Risk assessment · Critical
Actively exploited. Patch immediately.
- Exploitation
- Confirmed in the wild (CISA KEV)
- Federal remediation deadline
- Overdue by 1002 days
- CVSS
- 9.8 CRITICAL
- EPSS (30-day exploit probability)
- 65.8% · top 1% of all CVEs
- Weakness
- CWE-77
- Attack vector
- Network, remotely reachable
- Preconditions
- No privileges and no user interaction
Recommended actions
- 1.Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- 2.Treat as emergency change: patch or isolate internet-facing instances first.
- 3.Review exposure: confirm which instances are reachable from the internet and restrict access until patched.
- 4.Hunt for compromise: review logs for the disclosure window, not just from the patch date.
Assessment is derived automatically from the live signals above; verify against your own asset inventory.