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

Source: https://junglewise.ai/threats/cve-2016-20017-d-link-dsl-2750b-devices-command-injection-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2024-01-08. Updated: 2026-05-09  
License: CC BY 4.0 with a link back

CVE-2016-20017 · Severity: critical · CVSS 9.8 · Exploited in the wild · Published 2024-01-08

D-Link DSL-2750B devices contain a command injection vulnerability in the login.cgi component. Remote, unauthenticated attackers can execute arbitrary commands via the 'cli' parameter.

Vendors: [D-Link](https://junglewise.ai/threats/vendors/d-link).

## Quick answers

**Is CVE-2016-20017 exploited in the wild?** Yes. CVE-2016-20017 is known to be exploited in the wild, first recorded on 8 January 2024. Treat it as urgent.

**How severe is CVE-2016-20017?** Critical severity, with a CVSS score of 9.8, published 8 January 2024.

**Which products and versions are affected?** D-Link DSL-2750B firmware before 1.05; D-Link DSL-2750B hardware.

**Is there a fix for CVE-2016-20017?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2016-20017 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2016-20017?** Check whether you run D-Link DSL-2750B Devices. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- D-Link DSL-2750B firmware before 1.05
- D-Link DSL-2750B hardware

## Timeline

- 2016-02-11: disclosed: Initial public disclosure on Full Disclosure mailing list
- 2022-10-19: other: NVD Published Date
- 2024-01-08: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
- 2016-2022: exploited: Exploited in the wild during this period
