Critical severity · published Sep 4, 2026
CVE-2026-44402
Voltronic Power SNMP Web Pro 1.1 Unauthenticated RCE via upload.cgi
9.8
CVSS
1.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.3% · higher than 71% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SW
SNMP Web Pro · Voltronic Power
1.1 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-44402
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-44402
technical-description
https://github.com/Virgula0/CVE-2026-44402
product
https://voltronicpower.com/
third-party-advisory
https://www.vulncheck.com/advisories/voltronic-power-snmp-web-pro-unauthenticated-rce-via-upload-cgi
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