Dlink DIR-823G vulnerabilities
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Published CVEs affecting Dlink DIR-823G: 4 record(s), with affected versions and fixes.
CVE-2026-90680
Critical · 9.9
CWE-119 Sep 14, 2026
D-Link DIR-823G HNAP1 SetStaticRouteSettings strcpy stack-based overflow
A security flaw has been discovered in D-Link DIR-823G 1.0.2B05_20181207. The impacted element is the function strcpy of the file /HNAP1/SetStaticRouteSettings of the component HNAP1. The manipulation of the argument PAddress/SubnetMask/Gateway results in stack-based buffer overflow. The attack can be launched remotely.
CVE-2026-15270
High · 7.5
CWE-266 Jul 9, 2026
D-link DIR-823G Web boa.conf least privilege violation
A weakness has been identified in D-link DIR-823G 1.0.2B05_20181207. Affected by this vulnerability is an unknown functionality of the file /etc/boa/boa.conf of the component Web Interface. Executing a manipulation can lead to least privilege violation. The attack can be launched remotely. The attack requires a high level of complexity. The exploitation appears to be difficult. The exploit has been made available to the public and could be used for attacks.
CVE-2026-11492
High · 8.8
CWE-266 Jun 8, 2026
D-Link DIR-823G vsftpd vsftpd.conf least privilege violation
A security flaw has been discovered in D-Link DIR-823G 1.0.2B05. The affected element is an unknown function of the file /etc/vsftpd.conf of the component vsftpd. Performing a manipulation results in least privilege violation. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks.
CVE-2026-4193
High · 7.5
CWE-266 Mar 16, 2026
D-Link DIR-823G goahead UpdateClientInfo access control
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.