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.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

No EPSS score available.

Exploitation poc

Automatable yes

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
D-Link DIR-820LW affected
Version Status Constraints
2.03 affected —

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Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
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 cve-icon cve-icon
https://github.com/yunleeeee/cve/issues/1 cve-icon cve-icon
https://vuldb.com/?ctiid.352055 cve-icon cve-icon
https://vuldb.com/?id.352055 cve-icon cve-icon
https://vuldb.com/?submit.773883 cve-icon cve-icon
https://www.dlink.com/ cve-icon cve-icon
History

Fri, 20 Mar 2026 20:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

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

Fri, 20 Mar 2026 19:45:00 +0000

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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-03-20T19:55:44.639Z

Reserved: 2026-03-20T12:21:12.110Z

Link: CVE-2026-4499

cve-icon Vulnrichment

Updated: 2026-03-20T19:55:39.829Z

cve-icon NVD

Status : Received

Published: 2026-03-20T20:16:50.207

Modified: 2026-03-20T20:16:50.207

Link: CVE-2026-4499

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses