Hongdian H8922 3.0.5 devices allow OS command injection via shell metacharacters into the…
Priority MEDIUM 61CWE-78Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-78.
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.
Why it matters now
EPSS 0.27912 98th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-28151
- 2026-10-03 Alias added: GHSA-qr4g-xxx6-244x
References
More Hongdian H8922 Firmware vulnerabilities
- TI-2021-09383 Hongdian H8922 3.0.5 devices have an undocumented feature that allows access to a shell… CVSS 3.1CRITICAL 9.8
- TI-2021-09380 Hongdian H8922 3.0.5 devices allow Directory Traversal. CVSS 3.1MEDIUM 6.5
- TI-2021-09381 Hongdian H8922 3.0.5 devices allow the unprivileged guest user to read cli.conf (with the… CVSS 3.1MEDIUM 5.5
Sources
- CVE-2021-28151 · CVE Program
- CVE-2021-28151 · NVD
- FIRST EPSS
- GHSA-qr4g-xxx6-244x · GitHub Advisory Database · CC BY 4.0
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