CVE-2026-4499

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 v3 7.3 HIGH
CVSS v2.0 7.5 HIGH

7.3^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
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	Exploit
https://github.com/yunleeeee/cve/issues/1	Exploit
https://vuldb.com/?ctiid.352055	Permissions Required VDB Entry
https://vuldb.com/?id.352055	Third Party Advisory VDB Entry
https://vuldb.com/?submit.773883	Third Party Advisory VDB Entry
https://www.dlink.com/	Product

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:dlink:dir-820lw_firmware:2.03:*:*:*:*:*:*:*

cpe:2.3:h:dlink:dir-820lw:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-03-20 20:16

Updated : 2026-06-17 10:56

NVD link : CVE-2026-4499

Mitre link : CVE-2026-4499

CVE.ORG link : CVE-2026-4499

JSON object : View

Products Affected

dlink

dir-820lw_firmware
dir-820lw

CWE

CWE-77

Improper Neutralization of Special Elements used in a Command ('Command Injection')

CWE-78

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

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