CVE-2025-63434

Name: CVE-2025-63434
Creator: NVD / NIST
Published: 2025-11-24T17:16:08.047+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.27%

Last modified Jun 17, 2026

CVE-2025-63434 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. The update mechanism in Xtooltech Xtool AnyScan Android Application 4.40.40 and prior is insecure. The application downloads and extracts update packages containing executable code without performing a cryptographic integrity or authenticity check on their contents. EPSS estimates a 0.27% chance of exploitation in the next 30 days.

Description

The update mechanism in Xtooltech Xtool AnyScan Android Application 4.40.40 and prior is insecure. The application downloads and extracts update packages containing executable code without performing a cryptographic integrity or authenticity check on their contents. An attacker who can control the update metadata can serve a malicious package, which the application will accept, extract, and later execute, leading to arbitrary code execution.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.27%

18.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-494

Affected Software

Vendor	Product	Versions
Xtooltech	Xtool Anyscan	<= 4.40.40

References

https://github.com/ab3lson/cve-references/tree/master/CVE-2025-63434Third Party Advisory
https://www.nowsecure.com/blog/2025/07/16/remote-code-execution-discovered-in-xtool-anyscan-app-risks-to-phones-and-vehicles/Exploit, Third Party Advisory

Timeline

Published: Nov 24, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-63434?

How severe is CVE-2025-63434?

CVE-2025-63434 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.27% probability of exploitation in the next 30 days.

How do I fix CVE-2025-63434?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-63434?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST