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CVE-2026-4193 Details

Description

A security vulnerability has been detected in D-Link DIR-823G 1.0.2B05. The affected element is the function GetDDNSSettings/GetDeviceDomainName/GetDeviceSettings/GetDMZSettings/GetFirewallSettings/GetGuestNetworkSettings/GetLanWanConflictInfo/GetLocalMacAddress/GetNetworkSettings/GetQoSSettings/GetRouterInformationSettings/GetRouterLanSettings/GetWanSettings/SetAccessCtlList/SetAccessCtlSwitch/SetDeviceSettings/SetGuestWLanSettings/SetIPv4FirewallSettings/SetNetworkSettings/SetNetworkTomographySettings/SetNTPServerSettings/SetRouterLanSettings/SetStaticClientInfo/SetStaticRouteSettings/SetWLanRadioSecurity/SetWPSSettings/UpdateClientInfo of the component goahead. Such manipulation leads to improper access controls. The attack may be launched remotely. The exploit has been disclosed publicly and may be used. This vulnerability only affects products that are no longer supported by the maintainer.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CNA: [email protected]CVSS-B:7.3 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/wudipjq/my_vuln/blob/main/D-Link7/vuln_91/91.md	[email protected]	ExploitThird Party Advisory
https://github.com/wudipjq/my_vuln/blob/main/D-Link7/vuln_92/92.md	[email protected]	ExploitThird Party Advisory
https://vuldb.com/?ctiid.351105	[email protected]	Permissions RequiredVDB Entry
https://vuldb.com/?id.351105	[email protected]	Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.769835	[email protected]	Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.769836	[email protected]	Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.769837	[email protected]	Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.769838	[email protected]	Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.769839	[email protected]	Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.769841	[email protected]	Third Party AdvisoryVDB Entry
https://www.dlink.com/	[email protected]	Product

see all 11 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-266	Incorrect Privilege Assignment	[email protected]
CWE-284	Improper Access Control	[email protected]

Affected Products

Product	Versions
dlink dir-823g firmware	1.0.2b05
CPE cpe:2.3:o:dlink:dir-823g_firmware:1.0.2b05:::::::* Remediation No remediation found in references.
dlink dir-823g	All versions
CPE cpe:2.3:h:dlink:dir-823g:-:::::::* Remediation No remediation found in references.

Change History

5 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Apr 29, 2026	Data Remediation	[email protected]
Apr 7, 2026	Initial Analysis	[email protected]
Mar 16, 2026	New CVE Received	[email protected]