CVE-2025-29228

Linksys E5600 V1.1.0.26 is vulnerable to command injection in the runtime.macClone function via the mc.ip parameter

Critical · published December 23, 2025

CVSS v3.1
9.8
EPSS
1%
Percentile
69.6
In the wild
Unconfirmed
What it is

🚨 A sneaky command injection vulnerability in Linksys E5600 could let attackers execute arbitrary commands remotely—yikes! 🔥 Think of it as a delivery driver who doesn't check the package contents and blindly follows any instructions given, potentially delivering something harmful right to your front door. That's what the runtime.macClone function is doing with the mc.ip parameter—trusting input without question! An attacker could take full control of the router, leading to unauthorized access, data interception, or even worse—turning your home network against you. This could mean compromised personal information or a hijacked Internet connection, making it an absolutely devastating flaw!

Put simply

Think of it as a delivery driver who doesn't check the package contents and blindly follows any instructions given, potentially delivering something harmful right to your front door. That's what the runtime.macClone function is doing with the mc.ip parameter—trusting input without question! This vulnerability allows for command injection via the mc.ip parameter in the runtime.macClone function, enabling attackers to execute arbitrary commands on the device without proper validation.

What to do

An attacker could take full control of the router, leading to unauthorized access, data interception, or even worse—turning your home network against you. This could mean compromised personal information or a hijacked Internet connection, making it an absolutely devastating flaw! Immediate action is crucial! Update your Linksys E5600 firmware to version 1.1.0.27 or later to patch this vulnerability. Additionally, consider changing your default admin password if you haven't already, and regularly check for firmware updates to keep your network secure. You've got this! With these steps, you'll transform your router into a fortress against threats. 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01272 · 69.6th percentile
Published
2025-12-23T00:00Z
EPSS history
Timeline
  • 23 DEC 00:00Z
    Linksys E5600 V1.1.0.26 is vulnerable to command injection in the runtime.macClone function via the mc.ip parameter
    cvelistv5