CVE-2016-20017

CRITICALNVD 9.89.8—

9.8

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 v3: 9.8
EG Score: 9.8(high)
EPSS: 99.7%
KEV: ⚠ Exploited

Published

October 19, 2022

Last Modified

November 5, 2025

Advisory Details (4)

Auto-updated May 25, 2026

⚠️ Active exploitation confirmed. Patch available. Sources: cisa.

cisa Patch Available🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-20017

generic🟡 PoC Available

D-Link DSL-2750B - OS Command Injection (Metasploit) - Hardware remote Exploit

https://www.exploit-db.com/exploits/44760

generic

D-Link Technical Support

https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10088

generic

Full Disclosure: D-Link router DSL-2750B firmware 1.01 to 1.03 - remote command execution no auth required

https://seclists.org/fulldisclosure/2016/Feb/53

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-77Command Injection

Data Freshness Timeline

(refreshed 5× in last 7d / 5× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 20:35 UTCkev_newly_listed
2026-05-26 19:13 UTCkev_newly_listed
2026-05-26 13:42 UTCepss_batch
2026-05-25 13:27 UTCEG score recompute
2026-05-25 13:27 UTCGHSA enrichment

Frequently asked(6)

What is CVE-2016-20017?

CVE-2016-20017 is a critical vulnerability published on October 19, 2022. 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.

When was CVE-2016-20017 disclosed?

CVE-2016-20017 was first published in the National Vulnerability Database on October 19, 2022, with the most recent update on November 5, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2016-20017 actively exploited?

Yes. CISA added CVE-2016-20017 to the Known Exploited Vulnerabilities catalog on January 8, 2024, affecting D-Link DSL-2750B Devices. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.

What is the CVSS score of CVE-2016-20017?

CVE-2016-20017 has a CVSS v3 base score of 9.8 (NVD).

Which products are affected by CVE-2016-20017?

CVE-2016-20017 affects D-Link DSL-2750B Devices. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.

How do I remediate CVE-2016-20017?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2016-20017, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2016-20017

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