H3C devices running firmware version NX15V100R015 are vulnerable to unauthorized access due to insecure default credentials. The root user account has no password set, and the H3C user account uses the default password "admin," both stored in the /etc/shadow file. Attackers with network access can exploit these credentials to gain unauthorized root-level access to the device via the administrative interface or other network services, potentially leading to privilege escalation, information disclosure, or arbitrary code execution.

H3C Magic NX18 Plus NX18PV100R003 was discovered to contain a stack overflow via the function SetAPInfoById.

H3C Magic NX18 Plus NX18PV100R003 was discovered to contain a stack overflow via the function Edit_BasicSSID.

H3C Magic R230 V100R002 was discovered to contain a hardcoded password vulnerability in /etc/shadow, which allows attackers to log in as root.

H3C Magic R230 V100R002's udpserver opens port 9034, allowing attackers to execute arbitrary commands.

H3C Magic B1ST v100R012 was discovered to contain a hardcoded password vulnerability in /etc/shadow, which allows attackers to log in as root.

H3C Magic R100 R100V100R005.bin was discovered to contain a stack overflow via the ipqos_lanip_editlist interface at /goform/aspForm. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted payload.

H3C Magic R100 R100V100R005.bin was discovered to contain a stack overflow via the DeltriggerList interface at /goform/aspForm. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted payload.

H3C Magic R100 R100V100R005.bin was discovered to contain a stack overflow via the Delstlist interface at /goform/aspForm. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted payload.

H3C Magic R100 R100V100R005.bin was discovered to contain a stack overflow via the ipqos_lanip_dellist interface at /goform/aspForm. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted payload.

H3C Magic R100 R100V100R005.bin was discovered to contain a stack overflow via the EditSTList interface at /goform/aspForm. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted payload.

H3C Magic R100 R100V100R005.bin was discovered to contain a stack overflow via the EdittriggerList interface at /goform/aspForm. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted payload.

H3C Magic R100 R100V100R005.bin was discovered to contain a stack overflow via the EditvsList parameter at /goform/aspForm. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted payload.

H3C Magic R100 R100V100R005.bin was discovered to contain a stack overflow via the DelDNSHnList interface at /goform/aspForm. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted payload.

H3C Magic R100 R100V100R005.bin was discovered to contain a stack overflow via the DelvsList interface at /goform/aspForm. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted payload.

H3C Magic R200 version R200V100R004 was discovered to contain a stack overflow via the UpdateWanParams interface at /goform/aspForm.

H3C Magic R200 version R200V100R004 was discovered to contain a stack overflow via CMD parameter at /goform/aspForm.

H3C Magic R200 R200V100R004 was discovered to contain a stack overflow via the DelvsList interface at /goform/aspForm.

H3C Magic R200 version R200V100R004 was discovered to contain a stack overflow via the AddMacList interface at /goform/aspForm.

H3C Magic R200 version R200V100R004 was discovered to contain a stack overflow via the UpdateMacClone interface at /goform/aspForm.