Critical Security Update for net-tools: Addressing CVE-2025-46836
Summary
DSA-5923-1: net-tools - security update. Affects net-tools versions < 2.10-0.1+deb12u1. Fixed in 2.10-0.1+deb12u1. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Background
net-tools is a suite of basic networking utilities for Unix-like operating systems, including tools like ifconfig, netstat, and route. These tools are essential for network configuration and monitoring. The package is widely used in various environments, making its security crucial for maintaining system integrity and preventing unauthorized access.
Vulnerability Detail
The vulnerability identified as CVE-2025-46836 in net-tools arises from improper handling of network configurations, which could allow an attacker to execute arbitrary commands with elevated privileges. This flaw can lead to severe consequences, including unauthorized access to sensitive data and potential system compromise. The vulnerability was introduced in earlier versions of the package and has been addressed in the latest updates.
How To Fix
Minimum fixed version
2.10-0.1+deb12u1
This is the first release that contains the fix.
sudo apt-get install --only-upgrade net-toolsTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary measure, users can restrict access to the affected tools by modifying user permissions or using firewall rules to limit network access until the package is updated. However, this is not a permanent solution and should only be used until the update can be applied.
Conclusion
The net-tools package has a critical vulnerability (CVE-2025-46836) that needs immediate attention. Users are strongly advised to update to the latest version to mitigate risks associated with this security flaw. Regular monitoring and updates are essential for maintaining system security.
See every vulnerability recorded for net-tools →
FAQ
CVE-2025-46836 is a security vulnerability in the net-tools package that allows for potential command execution with elevated privileges.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
Failing to update net-tools could expose your system to unauthorized access and potential data breaches, as attackers could exploit the vulnerability.
Yes, Vulert can monitor and alert you in real-time for open-source vulnerabilities using just a manifest file like package-lock.json.
If you cannot update the package right away, consider implementing temporary workarounds such as restricting access to the affected tools.
Related vulnerabilities
Recent vulnerabilities recorded for net-tools.
