Auth bypass in Xtooltech Xtool Anyscan

CVE-2025-63435

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..

Vulnerability class: Broken Authentication

EPSS: 0.004 (29.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-63435?
CVE-2025-63435 is a medium-severity vulnerability in Xtooltech Xtool Anyscan, classified under Missing Authentication for Critical Function. CVSS score: 4.3/10. Published 2025-11-24.
How severe is CVE-2025-63435?
Medium severity. CVSS v3 base score is 4.3 out of 10.