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TI-2021-09381 Aliases CVE-2021-28150GHSA-v446-8p4r-76m4

Hongdian H8922 3.0.5 devices allow the unprivileged guest user to read cli.conf (with the…

Priority LOW 30CWE-425Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-425.

Summary

Hongdian H8922 3.0.5 devices allow the unprivileged guest user to read cli.conf (with the administrator password and other sensitive data) via /backup2.cgi.

Why it matters now

EPSS 0.02794 86th 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

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:hongdian:h8922_firmware:3.0.5:*:*:*:*:*:*:*3.0.5VulnerableHongdian
cpe:2.3:h:hongdian:h8922:-:*:*:*:*:*:*:*not specified by NVDRunning onHongdian
  • cpe:2.3:o:hongdian:h8922_firmware:3.0.5:*:*:*:*:*:*:* Versions 3.0.5 Vulnerable ·Hongdian
  • cpe:2.3:h:hongdian:h8922:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Hongdian

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-28150
  2. 2026-10-03 Alias added: GHSA-v446-8p4r-76m4

References

Exploit 1

Advisory 1

  • TI-2021-09382 Hongdian H8922 3.0.5 devices allow OS command injection via shell metacharacters into the… CVSS 3.1HIGH 8.8
  • 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

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences