What is CVE-2026-44402?

CVE-2026-44402 is a critical-severity vulnerability, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2026-09-04.

How severe is CVE-2026-44402?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2026-44402 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

CVE-2026-44402

CVE-2026-44402

Voltronic Power SNMP Web Pro 1.1 contains an unauthenticated remote code execution vulnerability in the upload.cgi firmware update endpoint that allows remote attackers to execute arbitrary commands as root by uploading a crafted tar archive without valid credentials. Attackers can supply a malicious tar archive containing arbitrary executable files that are extracted to a privileged directory and executed as root, achieving full system compromise.

Vulnerability class: Unrestricted File Upload

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

Public proof-of-concept exploits

Virgula0/CVE-2026-44402

References

Frequently asked questions

What is CVE-2026-44402?: CVE-2026-44402 is a critical-severity vulnerability, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2026-09-04.
How severe is CVE-2026-44402?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2026-44402 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.