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CVE-2026-4499

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

CVSS 6.9 MEDIUMEPSS 3.2%CWE-77CWE-78
Vexday Risk Score
13Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 6.9EPSS 3.2%KEV nãoPoC —Nuclei —Metasploit —Patch —
Lifecycle
20 Mar 2026Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Affected products
D-Link · DIR-820LW

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References
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.ziphttps://github.com/yunleeeee/cve/issues/1https://vuldb.com/?ctiid.352055https://vuldb.com/?id.352055https://vuldb.com/?submit.773883https://www.dlink.com/