Vulnerability · Published Sep 4, 2026 · Assigned by VulnCheck

CVE-2026-44402Voltronic Power SNMP Web Pro 1.1 Unauthenticated RCE via upload.cgi

Critical 9.8

In plain English

A critical-severity unrestricted file upload in SNMP Web Pro from Voltronic Power. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.3% (higher than 71% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.

Severity (CVSS 3.1)9.8Critical

Exploit odds (30 days)1.3%top 29.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack tooling1Public PoC

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
Voltronic Power	SNMP Web Pro	1.1

Weakness: CWE-434 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Researcher Disclosure technical-description, exploit
Vendor Homepage product
https://www.vulncheck.com/advisories/voltronic-power-snmp-web-pro-unauthenticated-rce-via-upload-cgi third-party-advisory