CVE-2026-4499

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

Published Mar 20, 2026 CVSS 4.0 · 6.9 Medium EPSS 3.7% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Dlink
Dlink dir-820lw
Dlink dir-820lw Firmware
CPEs cpe:2.3:h:dlink:dir-820lw:-:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dir-820lw_firmware:2.03:*:*:*:*:*:*:*
Vendors & Products Dlink
Dlink dir-820lw
Dlink dir-820lw Firmware
Type Values Removed Values Added
First Time appeared D-link
D-link dir-820lw
Vendors & Products D-link
D-link dir-820lw
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title D-Link DIR-820LW SSDP ssdpcgi_main os command injection
Weaknesses CWE-77
CWE-78
References
Metrics cvssV2_0

{'score': 7.5, 'vector': 'AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 7.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 7.3, 'vector': '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'}

cvssV4_0

{'score': 6.9, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulDB
Published
Updated
Mar 20, 2026, 7:55 PM
Reserved
Mar 20, 2026, 12:21 PM
Status
Analyzed
Published
Mar 20, 2026, 8:16 PM
Modified
Jun 17, 2026, 10:56 AM