RCE in Hongdian H8922
CVE-2021-28151
Hongdian H8922 3.0.5 devices allow OS command injection via shell metacharacters into the ip-address (aka Destination) field to the tools.cgi ping command, which is accessible with the username guest and password guest.
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.279 (97.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Hongdian H8922
- Hongdian H8922_firmware — versions 3.0.5
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Product, x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-28151?
- CVE-2021-28151 is a high-severity vulnerability in Hongdian H8922, classified under OS Command Injection. CVSS score: 8.8/10. Published 2021-05-06.
- How severe is CVE-2021-28151?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2021-28151 known to be exploited?
- 12 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.