CVE-2019-16920
D-Link Multiple Routers Command Injection Vulnerability
- Published
- Sep 27, 2019
- Updated
- Oct 21, 2025
- Assigning CNA
- mitre
- Evidence observed
- Mar 25, 2022
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HHigh · next 30 days
- Percentile
- 100.0%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
CISA Known Exploited
This CVE appears in the CISA Known Exploited Vulnerabilities catalog.
Summary
Unauthenticated remote code execution occurs in D-Link products such as DIR-655C, DIR-866L, DIR-652, and DHP-1565. The issue occurs when the attacker sends an arbitrary input to a "PingTest" device common gateway interface that could lead to common injection. An attacker who successfully triggers the command injection could achieve full system compromise. Later, it was independently found that these are also affected: DIR-855L, DAP-1533, DIR-862L, DIR-615, DIR-835, and DIR-825.
Sources
1- CVE-2019-16920-MassPwn3rExploit
Automated mass exploitation tool for CVE-2019-16920 command injection vulnerability in multiple D-Link routers, enabling unauthenticated remote code execution.
Responsible use
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