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

Critical 9.3 Published Updated

Unauthenticated attackers can achieve root code execution on Voltronic Power SNMP Web Pro devices by uploading a malicious tar archive to the firmware update endpoint.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-44402?

CVE-2026-44402 is a critical vulnerability in Voltronic Power SNMP Web Pro, published on 4 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

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.

Weakness: CWE-434

Which versions are affected by CVE-2026-44402?

How do I fix CVE-2026-44402?

No fix has been published for CVE-2026-44402 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-44402 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-44402 exists.

Public exploit code: 2 proofs of concept on GitHub.

Sources

Also known as GHSA-wrcv-35wf-f64v.

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