CVE-2021-44880
https://notcve.org/view.php?id=CVE-2021-44880
D-Link devices DIR_878 DIR_878_FW1.30B08_Hotfix_02 and DIR_882 DIR_882_FW1.30B06_Hotfix_02 were discovered to contain a command injection vulnerability in the system function. This vulnerability allows attackers to execute arbitrary commands via a crafted HNAP1 POST request. Se ha detectado que los dispositivos D-Link DIR_878 versiones DIR_878_FW1.30B08_Hotfix_02 y DIR_882 DIR_882_FW1.30B06_Hotfix_02, contienen una vulnerabilidad de inyección de comandos en la función system. Esta vulnerabilidad permite a atacantes ejecutar comandos arbitrarios por medio de una petición POST HNAP1 diseñada • https://github.com/pjqwudi/my_vuln/blob/main/D-link/vuln_2/2.md https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10286 https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10287 https://www.dlink.com/en/security-bulletin • CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection') •
CVE-2021-44882
https://notcve.org/view.php?id=CVE-2021-44882
D-Link device DIR_878_FW1.30B08_Hotfix_02 was discovered to contain a command injection vulnerability in the twsystem function. This vulnerability allows attackers to execute arbitrary commands via a crafted HNAP1 POST request. Se ha detectado que el dispositivo D-Link DIR_878_FW1.30B08_Hotfix_02, contiene una vulnerabilidad de inyección de comandos en la función twsystem. Esta vulnerabilidad permite a atacantes ejecutar comandos arbitrarios por medio de una petición POST HNAP1 diseñada • https://github.com/pjqwudi/my_vuln/blob/main/D-link/vuln_1/1.md https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10286 https://www.dlink.com/en/security-bulletin • CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection') •
CVE-2021-30072
https://notcve.org/view.php?id=CVE-2021-30072
An issue was discovered in prog.cgi on D-Link DIR-878 1.30B08 devices. Because strcat is misused, there is a stack-based buffer overflow that does not require authentication. Se detectó un problema en el archivo prog.cgi en dispositivos D-Link DIR-878 versión 1.30B08. Debido al uso inapropiado de strcat, se presenta un desbordamiento de búfer en la región stack de la memoria que no requiere autenticación. • https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10217 https://www.dlink.com/en/security-bulletin • CWE-787: Out-of-bounds Write •
CVE-2020-15633 – D-Link Multiple Routers HNAP GetCAPTCHAsetting Authentication Bypass Vulnerability
https://notcve.org/view.php?id=CVE-2020-15633
This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-867, DIR-878, and DIR-882 routers with firmware 1.20B10_BETA. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of HNAP requests. The issue results from incorrect string matching logic when accessing protected pages. An attacker can leverage this vulnerability to escalate privileges and execute code in the context of the router. • https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10186 https://www.zerodayinitiative.com/advisories/ZDI-20-881 • CWE-288: Authentication Bypass Using an Alternate Path or Channel •
CVE-2020-8864 – D-Link Multiple Routers HNAP strncmp Incorrect Comparison Authentication Bypass Vulnerability
https://notcve.org/view.php?id=CVE-2020-8864
This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-867, DIR-878, and DIR-882 routers with firmware 1.10B04. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of HNAP login requests. The issue results from the lack of proper handling of empty passwords. An attacker can leverage this vulnerability to execute arbitrary code on the router. • https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10157 https://www.zerodayinitiative.com/advisories/ZDI-20-268 • CWE-697: Incorrect Comparison •