# CVE-2019-16920: D-Link Multiple Routers Command Injection Vulnerability

Source: https://junglewise.ai/threats/cve-2019-16920-d-link-multiple-routers-command-injection-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-03-25. Updated: 2026-05-10  
License: CC BY 4.0 with a link back

CVE-2019-16920 · Severity: critical · CVSS 9.8 · Exploited in the wild · Published 2022-03-25

Multiple D-Link routers are vulnerable to unauthenticated remote command injection via the PingTest gateway interface. Attackers can exploit this by sending arbitrary input to the device, potentially leading to full system compromise.

Technologies: [TP-Link Multiple Routers](https://junglewise.ai/threats/technologies/multiple-routers). Vendors: [TP-Link](https://junglewise.ai/threats/vendors/tp-link).

## Quick answers

**Is CVE-2019-16920 exploited in the wild?** Yes. CVE-2019-16920 is known to be exploited in the wild, first recorded on 25 March 2022. Treat it as urgent.

**How severe is CVE-2019-16920?** Critical severity, with a CVSS score of 9.8, published 25 March 2022.

**Which products and versions are affected?** D-Link DIR-655C; D-Link DIR-866L; D-Link DIR-652; D-Link DHP-1565; and 6 more.

**Is there a fix for CVE-2019-16920?** 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-2019-16920 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2019-16920?** Check whether you run TP-Link Multiple Routers. 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 DIR-655C
- D-Link DIR-866L
- D-Link DIR-652
- D-Link DHP-1565
- D-Link DIR-855L
- D-Link DAP-1533
- D-Link DIR-862L
- D-Link DIR-615
- D-Link DIR-835
- D-Link DIR-825

## Timeline

- 2019-10-01: disclosed: Initial analysis by NIST
- 2022-03-25: kev added: Added to CISA Known Exploited Vulnerabilities Catalog

## Related threats

- [TP-Link Archer C7 and TL-WR841N OS command injection in Parental Control](https://junglewise.ai/threats/cve-2025-9377-tp-link-archer-c7-and-tl-wr841n-os-command-injection-in-parental)
- [TP-Link Multiple Routers command injection in WlanNetworkRpm](https://junglewise.ai/threats/cve-2023-33538-tp-link-multiple-routers-command-injection-in-wlannetworkrpm)
- [D-Link Multiple Routers OS Command Injection Vulnerability](https://junglewise.ai/threats/cve-2018-6530-d-link-multiple-routers-os-command-injection-vulnerability)
- [D-Link Multiple Routers Remote Code Execution Vulnerability](https://junglewise.ai/threats/cve-2021-45382-d-link-multiple-routers-remote-code-execution-vulnerability)
- [NETGEAR Multiple Routers Remote Code Execution Vulnerability](https://junglewise.ai/threats/cve-2016-6277-netgear-multiple-routers-remote-code-execution-vulnerability)