🛡️ CVE-2026-4193
🟠 CVSS 7.3 — High ⚠️ Exploit Public CWE-266 NVD
7.3
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

Details

Severity HIGH
CVSS Score 7.3
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CWE CWE-266
Public Exploit ⚠️ Yes
Source NVD
Published 2026-03-16
Updated 2026-06-02
Modified 2026-04-29
Fix URL N/A

Affected Packages

Software From version Fixed in
dir-823g-firmware — —

References

Permissions Required, VDB Entry https://vuldb.com/?ctiid.351105
Third Party Advisory, 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

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