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Dir 823g Firmware

dir-823g_firmware

Vendor: Dlink • 59 CVEs

CVEs (59)

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1Dlink
1Dir 823g Firmware
Jul 13, 2026
Jul 9, 2026
6.8 MEDIUM· v4
7.5 HIGH· v3
7.1 HIGH· v2
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 l...Show more
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.Show less
1Dlink
1Dir 823g Firmware
Jul 23, 2026
Jun 8, 2026
2.1 LOW· v4
8.8 HIGH· v3
4.0 MEDIUM· v2
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 viol...Show more
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.Show less
1Dlink
1Dir 823g Firmware
Jun 17, 2026
Mar 16, 2026
5.5 MEDIUM· v4
7.5 HIGH· v3
7.5 HIGH· v2
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/GetGuestNetworkSetting...Show more
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.Show less
1Dlink
1Dir 823g Firmware
Jul 5, 2026
Nov 13, 2025
N/A· v4
5.4 MEDIUM· v3
N/A· v2
A command injection vulnerability exists in the D-Link DIR-823G router firmware DIR823G_V1.0.2B05_20181207.bin in the timelycheck and sysconf binaries, which process the /tmp/new_qos.rule configuration file. The vulnerab...Show more
A command injection vulnerability exists in the D-Link DIR-823G router firmware DIR823G_V1.0.2B05_20181207.bin in the timelycheck and sysconf binaries, which process the /tmp/new_qos.rule configuration file. The vulnerability occurs because parsed fields from the configuration file are concatenated into command strings and executed via system() without any sanitization. An attacker with write access to /tmp/new_qos.rule can execute arbitrary commands on the device.Show less
1Dlink
1Dir 823g Firmware
Jul 5, 2026
Nov 13, 2025
N/A· v4
5.4 MEDIUM· v3
N/A· v2
A command injection vulnerability exists in the D-Link DIR-823G router firmware DIR823G_V1.0.2B05_20181207.bin in the timelycheck and sysconf binaries, which process the /var/system/linux_vlan_reinit file. The vulnerabil...Show more
A command injection vulnerability exists in the D-Link DIR-823G router firmware DIR823G_V1.0.2B05_20181207.bin in the timelycheck and sysconf binaries, which process the /var/system/linux_vlan_reinit file. The vulnerability occurs because content read from this file is only partially validated for a prefix and then formatted using vsnprintf() before being executed with system(), allowing an attacker with write access to /var/system/linux_vlan_reinit to execute arbitrary commands on the device.Show less
1Dlink
1Dir 823g Firmware
Jun 17, 2026
Oct 22, 2025
N/A· v4
7.5 HIGH· v3
N/A· v2
A NULL pointer dereference in the SetWLanRadioSettings function of D-Link DIR-823G A1 v1.0.2B05 allows attackers to cause a Denial of Service (DoS) via a crafted HTTP request.
1Dlink
1Dir 823g Firmware
Jun 17, 2026
Oct 22, 2025
N/A· v4
7.5 HIGH· v3
N/A· v2
D-Link DIR-823G A1 v1.0.2B05 was discovered to contain a buffer overflow in the FillMacCloneMac parameter in the /EXCU_SHELL endpoint. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted...Show more
D-Link DIR-823G A1 v1.0.2B05 was discovered to contain a buffer overflow in the FillMacCloneMac parameter in the /EXCU_SHELL endpoint. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.Show less
1Dlink
1Dir 823g Firmware
Jun 17, 2026
Mar 17, 2025
6.9 MEDIUM· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
A vulnerability classified as critical was found in D-Link DIR-823G 1.0.2B05_20181207. Affected by this vulnerability is the function SetUpnpSettings of the file /HNAP1/ of the component UPnP Service. The manipulation of...Show more
A vulnerability classified as critical was found in D-Link DIR-823G 1.0.2B05_20181207. Affected by this vulnerability is the function SetUpnpSettings of the file /HNAP1/ of the component UPnP Service. The manipulation of the argument SOAPAction leads to improper authorization. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.Show less
1Dlink
1Dir 823g Firmware
Jun 17, 2026
Mar 17, 2025
6.9 MEDIUM· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
A vulnerability classified as critical has been found in D-Link DIR-823G 1.0.2B05_20181207. Affected is the function SetDDNSSettings of the file /HNAP1/ of the component DDNS Service. The manipulation of the argument SOA...Show more
A vulnerability classified as critical has been found in D-Link DIR-823G 1.0.2B05_20181207. Affected is the function SetDDNSSettings of the file /HNAP1/ of the component DDNS Service. The manipulation of the argument SOAPAction leads to improper authorization. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.Show less
1Dlink
1Dir 823g Firmware
Jun 17, 2026
Dec 30, 2024
6.9 MEDIUM· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
A vulnerability was found in D-Link DIR-823G 1.0.2B05_20181207. It has been rated as critical. This issue affects the function SetAutoRebootSettings/SetClientInfo/SetDMZSettings/SetFirewallSettings/SetParentsControlInfo/...Show more
A vulnerability was found in D-Link DIR-823G 1.0.2B05_20181207. It has been rated as critical. This issue affects the function SetAutoRebootSettings/SetClientInfo/SetDMZSettings/SetFirewallSettings/SetParentsControlInfo/SetQoSSettings/SetVirtualServerSettings of the file /HNAP1/ of the component Web Management Interface. The manipulation leads to improper access controls. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.Show less
1Dlink
1Dir 823g Firmware
Jun 17, 2026
Nov 5, 2024
N/A· v4
8.0 HIGH· v3
N/A· v2
D-Link DIR_823G 1.0.2B05 was discovered to contain a command injection vulnerability via the HostName parameter in the SetWanSettings function. This vulnerability allows attackers to execute arbitrary OS commands via a c...Show more
D-Link DIR_823G 1.0.2B05 was discovered to contain a command injection vulnerability via the HostName parameter in the SetWanSettings function. This vulnerability allows attackers to execute arbitrary OS commands via a crafted request.Show less
1Dlink
1Dir 823g Firmware
Jun 17, 2026
Nov 5, 2024
N/A· v4
8.8 HIGH· v3
N/A· v2
D-Link DIR_823G 1.0.2B05 was discovered to contain a command injection vulnerability via the Address parameter in the SetNetworkTomographySettings function. This vulnerability allows attackers to execute arbitrary OS com...Show more
D-Link DIR_823G 1.0.2B05 was discovered to contain a command injection vulnerability via the Address parameter in the SetNetworkTomographySettings function. This vulnerability allows attackers to execute arbitrary OS commands via a crafted request.Show less
1Dlink
1Dir 823g Firmware
Jun 17, 2026
Sep 6, 2024
N/A· v4
7.5 HIGH· v3
N/A· v2
D-Link DIR-823G v1.0.2B05_20181207 is vulnerable to Information Disclosure. The device allows unauthorized configuration file downloads, and the downloaded configuration files contain plaintext user passwords.
1Dlink
1Dir 823g Firmware
Jun 17, 2026
Apr 29, 2024
N/A· v4
6.5 MEDIUM· v3
N/A· v2
D-Link DIR-823G A1V1.0.2B05 was found to contain a Null-pointer dereference in the main function of upload_firmware.cgi, which allows remote attackers to cause a Denial of Service (DoS) via a crafted input.
1Dlink
1Dir 823g Firmware
Jun 17, 2026
Feb 29, 2024
N/A· v4
6.5 MEDIUM· v3
N/A· v2
D-Link DIR-823G A1V1.0.2B05 was discovered to contain a Null-pointer dereferences in sub_4110f4(). This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.
1Dlink
1Dir 823g Firmware
Jun 17, 2026
Feb 29, 2024
N/A· v4
6.5 MEDIUM· v3
N/A· v2
D-Link DIR-823G A1V1.0.2B05 was discovered to contain Null-pointer dereferences in sub_4484A8(). This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.
1Dlink
1Dir 823g Firmware
Jun 17, 2026
Feb 29, 2024
N/A· v4
6.5 MEDIUM· v3
N/A· v2
D-Link DIR-823G A1V1.0.2B05 was discovered to contain a Null-pointer dereferences in sub_41C488(). This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.
1Dlink
1Dir 823g Firmware
Jun 17, 2026
Feb 29, 2024
N/A· v4
6.5 MEDIUM· v3
N/A· v2
D-Link DIR-823G A1V1.0.2B05 was discovered to contain Null-pointer dereferences in sub_42AF30(). This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.
1Dlink
1Dir 823g Firmware
Jun 17, 2026
Feb 29, 2024
N/A· v4
6.5 MEDIUM· v3
N/A· v2
D-Link DIR-823G A1V1.0.2B05 was discovered to contain Null-pointer dereferences in sub_4484A8(). This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.
1Dlink
1Dir 823g Firmware
Jun 17, 2026
Feb 29, 2024
N/A· v4
8.8 HIGH· v3
N/A· v2
D-Link DIR-823G A1V1.0.2B05 was discovered to contain a buffer overflow via the User-Agent parameter. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input, and possibly remote code e...Show more
D-Link DIR-823G A1V1.0.2B05 was discovered to contain a buffer overflow via the User-Agent parameter. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input, and possibly remote code execution.Show less