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TI-2021-19811 Aliases CVE-2021-44080GHSA-xjj9-3q77-6c55

A Command Injection vulnerability in httpd web server (setup.cgi) in SerComm h500s, FW…

Priority MEDIUM 53CWE-78Published · Updated

Key facts

Attack vector
Network
Privileges required
High
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

A Command Injection vulnerability in httpd web server (setup.cgi) in SerComm h500s, FW: lowi-h500s-v3.4.22 allows logged in administrators to arbitrary OS commands as root in the device via the connection_type parameter of the statussupport_diagnostic_tracing.json endpoint.

Why it matters now

EPSS 0.24916 97th 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:sercomm:h500s_firmware:lowi-h500s-v3.4.22:*:*:*:*:*:*:*lowi-h500s-v3.4.22VulnerableSercomm
cpe:2.3:h:sercomm:h500s:-:*:*:*:*:*:*:*not specified by NVDRunning onSercomm
  • cpe:2.3:o:sercomm:h500s_firmware:lowi-h500s-v3.4.22:*:*:*:*:*:*:* Versions lowi-h500s-v3.4.22 Vulnerable ·Sercomm
  • cpe:2.3:h:sercomm:h500s:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Sercomm

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-44080
  2. 2026-10-03 Alias added: GHSA-xjj9-3q77-6c55

References

Exploit 1

Advisory 1

Sources

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