BusyBox up to 1.37.0 TAR Archive clickjacking

Summaryinfo

A vulnerability was found in BusyBox up to 1.37.0. It has been classified as problematic. This affects an unknown function of the component TAR Archive Handler. The manipulation leads to clickjacking. This vulnerability is uniquely identified as CVE-2025-46394. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in BusyBox up to 1.37.0. It has been rated as problematic. This issue affects an unknown code block of the component TAR Archive Handler. The manipulation with an unknown input leads to a clickjacking vulnerability. Using CWE to declare the problem leads to CWE-451. The user interface (UI) does not properly represent critical information to the user, allowing the information - or its source - to be obscured or spoofed. This is often a component in phishing attacks. Impacted is integrity. The summary by CVE is:

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.

The advisory is shared at bugs.busybox.net. The identification of this vulnerability is CVE-2025-46394 since 04/23/2025. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/25/2026). MITRE ATT&CK project uses the attack technique T1566.003 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 271318 (EulerOS 2.0 SP13 : busybox (EulerOS-SA-2025-2283)), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Tenable (271318), EUVD (EUVD-2025-11984) and CERT Bund (WID-SEC-2025-0879). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Affected

• F5 BIG-IP
• SUSE Linux
• SUSE openSUSE
• Open Source BusyBox

Productinfo

Name

• BusyBox

Version

• 1.0
• 1.1
• 1.2
• 1.3
• 1.4
• 1.5
• 1.6
• 1.7
• 1.8
• 1.9
• 1.10
• 1.11
• 1.12
• 1.13
• 1.14
• 1.15
• 1.16
• 1.17
• 1.18
• 1.19
• 1.20
• 1.21
• 1.22
• 1.23
• 1.24
• 1.25
• 1.26
• 1.27
• 1.28
• 1.29
• 1.30
• 1.31
• 1.32
• 1.33
• 1.34
• 1.35
• 1.36
• 1.37.0

License

• open-source

CPE 2.3info

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CPE 2.2info

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Exploitinginfo

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Timelineinfo

Sourcesinfo

Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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