CVE-2026-4193

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.
References
Link Resource
https://github.com/wudipjq/my_vuln/blob/main/D-Link7/vuln_91/91.md Exploit Third Party Advisory
https://github.com/wudipjq/my_vuln/blob/main/D-Link7/vuln_92/92.md Exploit Third Party Advisory
https://vuldb.com/?ctiid.351105 Permissions Required VDB Entry
https://vuldb.com/?id.351105 Third Party Advisory VDB Entry
https://vuldb.com/?submit.769835 Third Party Advisory VDB Entry
https://vuldb.com/?submit.769836 Third Party Advisory VDB Entry
https://vuldb.com/?submit.769837 Third Party Advisory VDB Entry
https://vuldb.com/?submit.769838 Third Party Advisory VDB Entry
https://vuldb.com/?submit.769839 Third Party Advisory VDB Entry
https://vuldb.com/?submit.769841 Third Party Advisory VDB Entry
https://www.dlink.com/ Product
Configurations

Configuration 1 (hide)

AND
cpe:2.3:o:dlink:dir-823g_firmware:1.0.2b05:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dir-823g:-:*:*:*:*:*:*:*

History

07 Apr 2026, 01:12

Type Values Removed Values Added
Summary
  • (es) Una vulnerabilidad de seguridad ha sido detectada en D-Link DIR-823G 1.0.2B05. El elemento afectado es la función 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 del componente goahead. Dicha manipulación conduce a controles de acceso inadecuados. El ataque puede ser lanzado remotamente. El exploit ha sido divulgado públicamente y puede ser utilizado. Esta vulnerabilidad solo afecta a productos que ya no reciben soporte por parte del mantenedor.
CPE cpe:2.3:o:dlink:dir-823g_firmware:1.0.2b05:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dir-823g:-:*:*:*:*:*:*:*
References () https://github.com/wudipjq/my_vuln/blob/main/D-Link7/vuln_91/91.md - () https://github.com/wudipjq/my_vuln/blob/main/D-Link7/vuln_91/91.md - Exploit, Third Party Advisory
References () https://github.com/wudipjq/my_vuln/blob/main/D-Link7/vuln_92/92.md - () https://github.com/wudipjq/my_vuln/blob/main/D-Link7/vuln_92/92.md - Exploit, Third Party Advisory
References () https://vuldb.com/?ctiid.351105 - () https://vuldb.com/?ctiid.351105 - Permissions Required, VDB Entry
References () https://vuldb.com/?id.351105 - () https://vuldb.com/?id.351105 - Third Party Advisory, VDB Entry
References () https://vuldb.com/?submit.769835 - () https://vuldb.com/?submit.769835 - Third Party Advisory, VDB Entry
References () https://vuldb.com/?submit.769836 - () https://vuldb.com/?submit.769836 - Third Party Advisory, VDB Entry
References () https://vuldb.com/?submit.769837 - () https://vuldb.com/?submit.769837 - Third Party Advisory, VDB Entry
References () https://vuldb.com/?submit.769838 - () https://vuldb.com/?submit.769838 - Third Party Advisory, VDB Entry
References () https://vuldb.com/?submit.769839 - () https://vuldb.com/?submit.769839 - Third Party Advisory, VDB Entry
References () https://vuldb.com/?submit.769841 - () https://vuldb.com/?submit.769841 - Third Party Advisory, VDB Entry
References () https://www.dlink.com/ - () https://www.dlink.com/ - Product
First Time Dlink dir-823g Firmware
Dlink
Dlink dir-823g

16 Mar 2026, 14:20

Type Values Removed Values Added
New CVE

Information

Published : 2026-03-16 14:20

Updated : 2026-04-29 01:00


NVD link : CVE-2026-4193

Mitre link : CVE-2026-4193

CVE.ORG link : CVE-2026-4193


JSON object : View

Products Affected

dlink

  • dir-823g
  • dir-823g_firmware
CWE
CWE-266

Incorrect Privilege Assignment

CWE-284

Improper Access Control