CVE-2025-46394 Information disclosure in BusyBox

Low 3.2 Published 23 Apr 2025 Updated 2 Jun 2026

Attackers can hide filenames in TAR archives using terminal escape sequences, potentially concealing malicious content from users.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: Not needed
Fix: Available

What is CVE-2025-46394?

CVE-2025-46394 is a low-severity vulnerability in BusyBox, published on 23 Apr 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In tar in BusyBox through 1.37.0, a TAR archive can have filenames hidden from a listing through the use of terminal escape sequences.

Weakness: CWE-451

Which versions are affected by CVE-2025-46394?

It affects 1 product.

Products include Busybox Busybox.

How do I fix CVE-2025-46394?

Upgrade to a fixed version.

Is CVE-2025-46394 being exploited?

There is no known exploitation of CVE-2025-46394 in the wild and no public exploit code.

Sources

Also known as ALPINE-CVE-2025-46394, AZL-60936, AZL-61191, BELL-CVE-2025-46394, CLEANSTART-2026-OT80419, DEBIAN-CVE-2025-46394 and 7 more.