CVE-2021-28151 in the critical feed json
Hongdian H8922 3.0.5 devices allow OS command injection via shell metacharacters into the ip-address (aka Destination) field to the tools.c…
published 2021-05-06 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-14849
- cvss
- 8.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 27.9%
- EPSS 27.9% chance of exploitation in 30 days, percentile 98%
- public exploits
- 0
- none known, plus a Nuclei check
Summary
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.
Exploit prediction
27.91% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Nuclei template Hongdian H8922 3.0.5 - Remote Command Injection nuclei detection template
- ssd-disclosure.com https://ssd-disclosure.com/ssd-advisory-hongdian-h8922-multiple-vulnerabilities/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 9.0 | AV:N/AC:L/Au:S/C:C/I:C/A:C |
Classification
- Weakness
-
- CWE-78 Improper Neutralization of Special Elements used in an OS Command
References
-
ssd-disclosure.com
/ssd-advisory-hongdian-h8922-multiple-vulnerabilities/
exploit, third-party-advisory
-
en.hongdian.com
/Products/Details/H8922
product, vendor-advisory
Sources
- CVE List CVE-2021-28151
- NVD CVE-2021-28151
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