Vulnerability Report

CVE-2019-16920

RCE CISA KEV Active

Title: Dlink Dir-866L RCE

RCE

Proof Of Concept

PoC Available for CVE-2019-16920

CWE Category CWE-78
Published Date Sep 27, 2019
Modified Date Nov 07, 2025
Exploit Status Available
Score 9.8 CVSS v3.1
Exploit Probability (EPSS)
100.00%

Vulnerability Summary

CVE-2019-16920: 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.

Impacted Vendors

D
d-link 1
D
dlink 10

Reference Links

https://fortiguard.com/zeroday/FG-VD-19-117 https://medium.com/%4080vul/determine-the-device-model-affected-by-cve-2019-16920-by-zoomeye-bf6fec7f9bb3 https://www.kb.cert.org/vuls/id/766427 https://www.seebug.org/vuldb/ssvid-98079 https://fortiguard.com/zeroday/FG-VD-19-117 https://medium.com/%4080vul/determine-the-device-model-affected-by-cve-2019-16920-by-zoomeye-bf6fec7f9bb3 https://www.kb.cert.org/vuls/id/766427 https://www.seebug.org/vuldb/ssvid-98079 https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-16920
CVSS v3.1
Source Entity [email protected]
Severity CRITICAL
9.8
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v3.1
Source Entity 134c704f-9b21-4f2e-91b3-4a467353bcc0
Severity CRITICAL
9.8
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v2.0
Source Entity [email protected]
Severity HIGH
10.0
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:L/Au:N/C:C/I:C/A:C

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2019-16920 Exploits & PoCs (Proof Of Concept)

GitHub https://github.com/eniac888/CVE-2019-16920-MassPwn3r
View Code
MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Stack

No specific products linked.