CVE-2026-4499

HIGH 7.3

D-Link DIR-820LW SSDP ssdpcgi_main os command injection

CVSS Score

7.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-78 CWE-77
Vendor	d-link
Product	dir-820lw
Published	Mar 20, 2026
Last Updated	Mar 20, 2026

Stay Ahead of the Next One

Get instant alerts for d-link dir-820lw

Be the first to know when new high vulnerabilities affecting d-link dir-820lw are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

D-Link / DIR-820LW

2.03

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/?id.352055 vuldb.com: https://vuldb.com/?ctiid.352055 vuldb.com: https://vuldb.com/?submit.773883 github.com: https://github.com/yunleeeee/cve/issues/1 github.com: https://github.com/user-attachments/files/25790888/OS.Command.Injection.in.D-Link.DIR-820LW.B2.03.via.the.HTTP_ST.environment.variable.in.ssdpcgi_main.function.zip dlink.com: https://www.dlink.com/

Credits

🔍 junqi (VulDB User)