Arbitrary file upload in Voltronic Power Snmp Web Pro
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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.013 (70.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 70th percentile — 70.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.013 · change: +0.004
Affected products
- Voltronic Power Snmp Web Pro — versions 1.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- Researcher Disclosure (technical-description, exploit)
- Vendor Homepage (product)
- www.vulncheck.com/advisories/voltronic-power-snmp-web-pro-unauthenticated-rce-v… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-44402?
- CVE-2026-44402 is a critical-severity vulnerability in Voltronic Power Snmp Web Pro, 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?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.