CVE-2025-63435 Missing authorization in n/a

Medium 4.3 Published 24 Nov 2025 Updated 24 Nov 2025

Unauthenticated attackers can download official update packages from the Xtool AnyScan Android application server due to missing authentication on the update endpoint.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2025-63435?

CVE-2025-63435 is a medium-severity missing authorization vulnerability in n/a, published on 24 Nov 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official 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..

Weakness: CWE-306

Which versions are affected by CVE-2025-63435?

It affects 1 product.

Products include Xtooltech Xtool Anyscan.

How do I fix CVE-2025-63435?

No fix has been published for CVE-2025-63435 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2025-63435 being exploited?

There is no known exploitation of CVE-2025-63435 in the wild and no public exploit code.

Sources

Also known as GHSA-xx5r-8vrj-6x6c.