CVE-2026-22844CWE-78

Zoom Node Deployments - Command Injection

Critical · published January 20, 2026

CVSS v3.1
9.9
EPSS
13%
Percentile
96.4
In the wild
Unconfirmed
What it is

🚨 A meeting participant could potentially unleash chaos! The Command Injection vulnerability in Zoom Node Multimedia Routers (MMRs) before version 5.2.1716.0 lets an attacker execute remote code with just network access. 🔥 Think of it as allowing a guest at a dinner party to not only choose the food but also decide the entire menu! When they gain this level of control, they can serve up something entirely disastrous. The implications could be absolutely devastating – an attacker could take full control of the router, altering settings, spying on meetings, or even launching further attacks within the network. With remote code execution, the possibilities are endless and terrifying!

Put simply

Think of it as allowing a guest at a dinner party to not only choose the food but also decide the entire menu! When they gain this level of control, they can serve up something entirely disastrous. This vulnerability allows a meeting participant to inject commands into the Zoom MMR, enabling them to execute arbitrary code remotely without proper authentication or permissions.

What to do

The implications could be absolutely devastating – an attacker could take full control of the router, altering settings, spying on meetings, or even launching further attacks within the network. With remote code execution, the possibilities are endless and terrifying! To protect your network, patch your Zoom Node Multimedia Routers immediately to version 5.2.1716.0 or later. Regularly review your network access controls and ensure only trusted participants can connect. Conduct a security audit of your devices. You've got this! Take these steps to bolster your defenses and keep your meetings secure. 🛡️

The record
Technical detail
CVSS v3.1
9.9 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.13454 · 96.4th percentile
Weakness
CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2026-01-20T13:57Z
EPSS history
Timeline
  • 20 JAN 13:57Z
    Zoom Node Deployments - Command Injection
    cvelistv5