CVE-2026-4499

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. 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.

7.3 /10

CVSS v3 : HIGH

V3 Legend

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

V2 Legend

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

03 Apr 2026, 19:32

Type Values Removed Values Added
First Time Dlink dir-820lw Firmware
Dlink dir-820lw
Dlink
CPE cpe:2.3:o:dlink:dir-820lw_firmware:2.03:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dir-820lw:-:*:*:*:*:*:*:*
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.zip - () 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
References () https://github.com/yunleeeee/cve/issues/1 - () https://github.com/yunleeeee/cve/issues/1 - Exploit
References () https://vuldb.com/?ctiid.352055 - () https://vuldb.com/?ctiid.352055 - Permissions Required, VDB Entry
References () https://vuldb.com/?id.352055 - () https://vuldb.com/?id.352055 - Third Party Advisory, VDB Entry
References () https://vuldb.com/?submit.773883 - () https://vuldb.com/?submit.773883 - Third Party Advisory, VDB Entry
References () https://www.dlink.com/ - () https://www.dlink.com/ - Product
Summary
  • (es) Se determinó una vulnerabilidad en D-Link DIR-820LW 2.03. Se ve afectada la función ssdpcgi_main del componente SSDP. La ejecución de una manipulación puede conducir a una inyección de comandos del sistema operativo. El ataque puede lanzarse de forma remota. El exploit ha sido divulgado públicamente y puede ser utilizado.

20 Mar 2026, 20:16

Type Values Removed Values Added
New CVE
Information

Published : 2026-03-20 20:16

Updated : 2026-04-29 01:00

NVD link : CVE-2026-4499

Mitre link : CVE-2026-4499

CVE.ORG link : CVE-2026-4499

JSON object : View

Products Affected

dlink

  • dir-820lw
  • dir-820lw_firmware
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')