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CVE-2025-46836

6.6 · MEDIUM

net-tools is a collection of programs that form the base set of the NET-3 networking distribution for the Linux operating system.

Published May 14, 2025CWE-20EPSS 0.20%

Overview

CVE-2025-46836 is a medium-severity vulnerability. It was published on May 14, 2025 and has a CVSS 3.1 base score of 6.6 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.6, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

net-tools is a collection of programs that form the base set of the NET-3 networking distribution for the Linux operating system. Inn versions up to and including 2.10, the Linux network utilities (like ifconfig) from the net-tools package do not properly validate the structure of /proc files when showing interfaces. `get_name()` in `interface.c` copies interface labels from `/proc/net/dev` into a fixed 16-byte stack buffer without bounds checking, leading to possible arbitrary code execution or crash. The known attack path does not require privilege but also does not provide privilege escalation in this scenario. A patch is available and expected to be part of version 2.20.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/ecki/net-tools/commit/7a8f42fb20013a1493d8cae1c43436f85e656f2dGitHubgithub.com/ecki/net-tools/security/advisories/GHSA-pfwf-h6m3-63wfReflists.debian.org/debian-lts-announce/2025/05/msg00053.htmlRefcert-portal.siemens.com/productcert/html/ssa-082556.htmlRefcert-portal.siemens.com/productcert/html/ssa-577017.html

How CyberStrike helps

Frequently asked questions

What is CVE-2025-46836?

CVE-2025-46836 is a medium-severity vulnerability. It was published on May 14, 2025 and has a CVSS 3.1 base score of 6.6 (MEDIUM).

How severe is CVE-2025-46836?

This vulnerability has a CVSS 3.1 base score of 6.6, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2025-46836?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2025-46836?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-46836 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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