How severe is CVE-2025-63434?

CVE-2025-63434 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-63434 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-63434?

CVE-2025-63434 affects Xtooltech Xtool Anyscan. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-63434?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-63434 have an EU (EUVD) identifier?

Yes. CVE-2025-63434 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-198965.

When was CVE-2025-63434 published?

CVE-2025-63434 was published on 2025-11-24 and last updated on 2026-06-17.

CVE-2025-63434

CVE-2025-63434 is a high-severity vulnerability in Xtooltech Xtool Anyscan with a CVSS 3.x base score of 8.8. 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-494.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 0% (19th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-198965
Weakness: CWE-494
Affected product: Xtooltech Xtool Anyscan
Published: 2025-11-24
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2025-63434?: 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.
How severe is CVE-2025-63434?: CVE-2025-63434 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-63434 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-63434?: CVE-2025-63434 affects Xtooltech Xtool Anyscan. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-63434?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-63434 have an EU (EUVD) identifier?: Yes. CVE-2025-63434 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-198965.
When was CVE-2025-63434 published?: CVE-2025-63434 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-2025-63433 — 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…
CVE-2025-63435 — Medium (CVSS 4.3): Xtooltech Xtool AnyScan Android Application 4.40.40 is Missing Authentication for Critical Function. The server-side…

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