Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Dlink | Dir-823G Firmware | 1.0.2b05 |
| Dlink | Dir-823G | - |
Related Weaknesses (CWE)
References
- https://github.com/wudipjq/my_vuln/blob/main/D-Link7/vuln_91/91.mdExploitThird Party Advisory
- https://github.com/wudipjq/my_vuln/blob/main/D-Link7/vuln_92/92.mdExploitThird Party Advisory
- https://vuldb.com/?ctiid.351105Permissions RequiredVDB Entry
- https://vuldb.com/?id.351105Third Party AdvisoryVDB Entry
- https://vuldb.com/?submit.769835Third Party AdvisoryVDB Entry
- https://vuldb.com/?submit.769836Third Party AdvisoryVDB Entry
- https://vuldb.com/?submit.769837Third Party AdvisoryVDB Entry
- https://vuldb.com/?submit.769838Third Party AdvisoryVDB Entry
- https://vuldb.com/?submit.769839Third Party AdvisoryVDB Entry
- https://vuldb.com/?submit.769841Third Party AdvisoryVDB Entry
- https://www.dlink.com/Product
FAQ
What is CVE-2026-4193?
CVE-2026-4193 is a vulnerability with a CVSS score of 7.3 (HIGH). 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/Ge...
How severe is CVE-2026-4193?
CVE-2026-4193 has been rated HIGH with a CVSS base score of 7.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-4193?
Check the references section above for vendor advisories and patch information. Affected products include: Dlink Dir-823G Firmware, Dlink Dir-823G.