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Vulnerabilities

Vulnerability · CVE-2016-20017

D-Link DSL-2750B Devices Command Injection Vulnerability

Published Jun 15, 2018 · catalog updated Jun 16, 2026 · D-Link DSL-2750B Devices

Patch now

CVE-2016-20017 is in the CISA known-exploited catalog, due Jan 29, 2024. Confirm D-Link DSL-2750B Devices against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Severity
Critical9.8
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
66.58%
Remediation
Remediation guidance
Affected products
cpe dlink/dsl-2750b firmware · vendor D-Link DSL-2750B Devices

D-Link DSL-2750B devices contain a command injection vulnerability that allows remote, unauthenticated command injection via the login.cgi cli parameter. VulnCheck canary evidence.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe dlink/dsl-2750b firmwareversion unspecified
  • vendor D-Link DSL-2750B Devicesversion unspecified

How to fix CVE-2016-20017

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2016-20017 is in the CISA known-exploited catalog, due Jan 29, 2024. Confirm D-Link DSL-2750B Devices against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Affected version ranges are not on this record. Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

What should an analyst verify?

CWE-77: Command Injection. EPSS 66.58%. The CISA KEV listing is the exploitation evidence. A public exploit reference is linked in Sources. That is not the same as confirmed exploitation. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 18, 2022 · Catalog

    Detected

    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.

  2. Jan 8, 2024 · CISA KEV

    Known exploited

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

  3. Jan 29, 2024 · CISA KEV

    Remediation due

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

  4. Jun 16, 2026 · Catalog

    Updated

    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.

Sources

  • CISA KEVConfirmed exploitationCVE-2016-20017

    D-Link DSL-2750B devices contain a command injection vulnerability that allows remote, unauthenticated command injection via the login.cgi cli parameter.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2016-20017

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2016-20017

    30-day exploitation probability 66.6%

    first.org
  • Metasploit ModulesPublic exploit moduleexploit_linux/http/dlink_dsl2750b_exec_noauth

    Public module reference (great). Module source is not copied into this catalog.

    rapid7.com
  • NIST NVDVulnerability recordCVE-2016-20017

    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.

    nvd.nist.gov
  • VulnCheck KEVConfirmed exploitationCVE-2016-20017

    D-Link DSL-2750B devices contain a command injection vulnerability that allows remote, unauthenticated command injection via the login.cgi cli parameter.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.