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CVE-2016-20017 (GCVE-0-2016-20017)

Vulnerability from cvelistv5 – Published: 2022-10-19 00:00 – Updated: 2025-10-21 23:15
VLAI CISA Previdian
Summary
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
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: active Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-01-05 05:00 UTC
CWE
  • n/a
  • CWE-77 - Improper Neutralization of Special Elements used in a Command ('Command Injection')
Assigner
References
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 2854d129-c8ff-40c2-bf7d-d48e43df485d

Vulnerability ID: CVE-2016-20017

Status: Confirmed

Status Updated: 2024-01-08 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2024-01-08
Asserted: 2024-01-08
Scope
Notes: KEV entry: D-Link DSL-2750B Devices Command Injection Vulnerability | Affected: D-Link / DSL-2750B Devices | Description: D-Link DSL-2750B devices contain a command injection vulnerability that allows remote, unauthenticated command injection via the login.cgi cli parameter. | Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. | Due date: 2024-01-29 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10088; https://nvd.nist.gov/vuln/detail/CVE-2016-20017
Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev

Details
Cwes CWE-77
Feed CISA Known Exploited Vulnerabilities Catalog
Product DSL-2750B Devices
Due Date 2024-01-29
Date Added 2024-01-08
Vendorproject D-Link
Vulnerabilityname D-Link DSL-2750B Devices Command Injection Vulnerability
Knownransomwarecampaignuse Unknown
References
Created: 2026-02-02 13:24 UTC | Updated: 2026-02-06 07:53 UTC
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 281ee4ad-308a-41f0-a946-2352b7558e69

Vulnerability ID: CVE-2016-20017

Status: Confirmed

Status Updated: 2024-01-08 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2024-01-08
Asserted: 2024-01-08
Scope
Notes: KEVIntel entry: 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... | Affected: D-Link / DSL-2750B | CVSS: 9.8 (CRITICAL) | Used in malware: unknown | Not yet in CISA KEV: False
Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: kevintel

Details
Feed KEVIntel (kevintel.com)
Title 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...
Vendor D-Link
Product DSL-2750B
Added Date 2024-01-08T00:00:00.000Z
Cvss Score 9.8
Epss Score None
Cvss Severity CRITICAL
Epss Percentile None
Used In Malware unknown
Ahead Of Cisa Kev None
Not Yet In Cisa Kev False
References
Created: 2026-06-23 11:14 UTC | Updated: 2026-06-23 11:14 UTC
Show details on NVD website
To clipboard 

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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.