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Dir 820Lw

1 CVEs product

Monthly

CVE-2026-4499 Mar 20, 19:32 MEDIUM POC This Month

An OS command injection vulnerability exists in the D-Link DIR-820LW router firmware version 2.03, specifically in the ssdpcgi_main function of the SSDP component. The vulnerability allows remote, unauthenticated attackers to execute arbitrary operating system commands via manipulation of the HTTP_ST environment variable. A proof-of-concept exploit has been publicly disclosed on GitHub, making this an immediate concern for organizations using affected devices.

Command Injection D-Link Dir 820Lw D-Link
NVD VulDB GitHub
CVSS 4.0
5.5
EPSS
0.7%
EPSS 1% CVSS 5.5
MEDIUM POC This Month

An OS command injection vulnerability exists in the D-Link DIR-820LW router firmware version 2.03, specifically in the ssdpcgi_main function of the SSDP component. The vulnerability allows remote, unauthenticated attackers to execute arbitrary operating system commands via manipulation of the HTTP_ST environment variable. A proof-of-concept exploit has been publicly disclosed on GitHub, making this an immediate concern for organizations using affected devices.

Command Injection D-Link Dir 820Lw +1
NVD VulDB GitHub

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