D-Link DIR-820LW 2.03 SSDP cmd injection via ssdpcgi_main
CVE-2026-4499 Published on March 20, 2026
D-Link DIR-820LW SSDP ssdpcgi_main os command injection
A vulnerability was determined in D-Link DIR-820LW 2.03. Affected is the function ssdpcgi_main of the component SSDP. Executing a manipulation can lead to os command injection. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized.
Timeline
Advisory disclosed
VulDB entry created
VulDB entry last update
Weakness Types
What is a Shell injection Vulnerability?
The software constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.
CVE-2026-4499 has been classified to as a Shell injection vulnerability or weakness.
What is a Command Injection Vulnerability?
The software constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.
CVE-2026-4499 has been classified to as a Command Injection vulnerability or weakness.
Affected Versions
D-Link DIR-820LW Version 2.03 is affected by CVE-2026-4499Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.