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CVE-2026-4193

HIGH
7.3

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.

CVE Details

CVSS v3.1 Score7.3
SeverityHIGH
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack VectorNETWORK
ComplexityLOW
Privileges RequiredNONE
User InteractionNONE
Published3/16/2026
Last Modified4/7/2026
Sourcenvd
Honeypot Sightings0

Affected Products

dlink:dir-823gdlink:dir-823g_firmware

Weaknesses (CWE)

CWE-266CWE-284

References

https://github.com/wudipjq/my_vuln/blob/main/D-Link7/vuln_91/91.md(cna@vuldb.com)
https://github.com/wudipjq/my_vuln/blob/main/D-Link7/vuln_92/92.md(cna@vuldb.com)
https://vuldb.com/?ctiid.351105(cna@vuldb.com)
https://vuldb.com/?id.351105(cna@vuldb.com)
https://vuldb.com/?submit.769835(cna@vuldb.com)
https://vuldb.com/?submit.769836(cna@vuldb.com)
https://vuldb.com/?submit.769837(cna@vuldb.com)
https://vuldb.com/?submit.769838(cna@vuldb.com)
https://vuldb.com/?submit.769839(cna@vuldb.com)
https://vuldb.com/?submit.769841(cna@vuldb.com)
https://www.dlink.com/(cna@vuldb.com)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.