How severe is CVE-2016-20017?

CVE-2016-20017 has a CVSS 3.1 base score of 9.8 (CRITICAL). EPSS estimates a 66.6% probability of exploitation in the next 30 days. It is listed in the CISA Known Exploited Vulnerabilities catalog.

CVE-2016-20017: D-Link DSL-2750B Devices Command Injection

CISA Known Exploited Vulnerabilities

D-Link DSL-2750B Devices Command Injection Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV

2024-01-08

Remediation due

2024-01-29

Required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

CISA notes
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10088; https://nvd.nist.gov/vuln/detail/CVE-2016-20017

Description

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.

Severity

CVSS 3.1 · CISA9.8 CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

SSVC · CISA-ADP

Exploitationactive

Automatableyes

Technical impacttotal

Exploitation Context

as of October 17, 2026

All KEV statistics→

CISA added CVE-2016-20017 to the KEV catalog 446 days after its CVE record was published. The median for entries added in 2024 is 21.5 days.
It is one of 27 D-Link entries in the CISA KEV catalog, and one of 6 added in 2024.
Its current EPSS score (66.6%) is higher than that of 56% of CISA KEV entries.

Affected Products

Vendor	Product	Affected versions
-	-	n/a

References

3 Links

Other references

Record Details

Published

2022-10-19

Last updated

2025-10-21

Assigner (CNA)

mitre

Credited to

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CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.