CVE-2025-63435

Name: CVE-2025-63435
Creator: NVD / NIST
Published: 2025-11-24T17:16:08.283+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.33%

Last modified Jun 17, 2026

CVE-2025-63435 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. Xtooltech Xtool AnyScan Android Application 4.40.40 is Missing Authentication for Critical Function. The server-side endpoint responsible for serving update packages for the application does not require any authentication. EPSS estimates a 0.33% chance of exploitation in the next 30 days.

Description

Xtooltech Xtool AnyScan Android Application 4.40.40 is Missing Authentication for Critical Function. The server-side endpoint responsible for serving update packages for the application does not require any authentication. This allows an unauthenticated remote attacker to freely download official update packages..

Metrics

CVSS 3.1

4.3/10

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

EPSS Probability

0.33%

24.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-306

Affected Software

Vendor	Product	Versions
Xtooltech	Xtool Anyscan	<= 4.40.40

References

https://github.com/ab3lson/cve-references/tree/master/CVE-2025-63435Third 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-2025-63435?

How severe is CVE-2025-63435?

CVE-2025-63435 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.33% probability of exploitation in the next 30 days.

How do I fix CVE-2025-63435?

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-2025-63435?

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

Scan your code now

Source: NVD / NIST