How severe is CVE-2025-63435?

CVE-2025-63435 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2025-63435 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-63435?

CVE-2025-63435 affects Xtooltech Xtool Anyscan. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-63435?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-63435 have an EU (EUVD) identifier?

Yes. CVE-2025-63435 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-198964.

When was CVE-2025-63435 published?

CVE-2025-63435 was published on 2025-11-24 and last updated on 2026-06-17.

CVE-2025-63435

CVE-2025-63435 is a medium-severity vulnerability in Xtooltech Xtool Anyscan with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-306.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 0% (25th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-198964
Weakness: CWE-306
Affected product: Xtooltech Xtool Anyscan
Published: 2025-11-24
Last modified: 2026-06-17

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..

Frequently asked questions

What is 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..
How severe is CVE-2025-63435?: CVE-2025-63435 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2025-63435 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-63435?: CVE-2025-63435 affects Xtooltech Xtool Anyscan. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-63435?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-63435 have an EU (EUVD) identifier?: Yes. CVE-2025-63435 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-198964.
When was CVE-2025-63435 published?: CVE-2025-63435 was published on 2025-11-24 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:xtooltech:xtool_anyscan:*:*:*:*:*:android:*:*

More vulnerabilities in Xtooltech Xtool Anyscan

CVE-2025-63434 — High (CVSS 8.8): The update mechanism in Xtooltech Xtool AnyScan Android Application 4.40.40 and prior is insecure. The application…
CVE-2025-63433 — Medium (CVSS 4.6): Xtooltech Xtool AnyScan Android Application 4.40.40 and prior uses a hardcoded cryptographic key and IV to decrypt…
CVE-2025-63432 — Medium (CVSS 4.6): Xtooltech Xtool AnyScan Android Application 4.40.40 and prior is Missing SSL Certificate Validation. The application…

All CVEs affecting Xtooltech Xtool Anyscan →

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