7.8
CWE
787
Advisory Published
Updated

CVE-2025-23420: Arkcompiler Ets Runtime has an out-of-bounds write vulnerability

First published: Tue Mar 04 2025(Updated: )

in OpenHarmony v5.0.2 and prior versions allow a local attacker arbitrary code execution in pre-installed apps through out-of-bounds write. This vulnerability can be exploited only in restricted scenarios.

Credit: scy@openharmony.io

Affected SoftwareAffected VersionHow to fix
OpenHarmony<5.0.2
>=4.1.0<=5.0.2

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Frequently Asked Questions

  • What is the severity of CVE-2025-23420?

    CVE-2025-23420 has a critical severity level due to its potential for arbitrary code execution.

  • How do I fix CVE-2025-23420?

    To fix CVE-2025-23420, users should update their OpenHarmony installations to version 5.0.3 or later.

  • Who is affected by CVE-2025-23420?

    CVE-2025-23420 affects users of OpenHarmony versions 5.0.2 and earlier.

  • Can CVE-2025-23420 be exploited remotely?

    CVE-2025-23420 cannot be exploited remotely as it requires local access to the device.

  • What types of devices are vulnerable to CVE-2025-23420?

    Devices running OpenHarmony versions prior to 5.0.3 are vulnerable to CVE-2025-23420.

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