OpenHarmony v5.x Local ATE via Incompatible Type in Preinstalled Apps
CVE-2025-25277 Published on March 16, 2026

arkcompiler_ets_runtime has a type confusion vulnerability
in OpenHarmony v5.1.0 and prior versions allow a local attacker arbitrary code execution in pre-installed apps through using incompatible type. This vulnerability can be exploited only in restricted scenarios.

NVD

Vulnerability Analysis

CVE-2025-25277 can be exploited with local system access, and requires small amount of user privileges. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality and integrity, and no impact on availability.

Attack Vector:
LOCAL
Attack Complexity:
HIGH
Privileges Required:
LOW
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
NONE

Weakness Type

What is an Object Type Confusion Vulnerability?

The program allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.

CVE-2025-25277 has been classified to as an Object Type Confusion vulnerability or weakness.


Products Associated with CVE-2025-25277

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OpenHarmony
 

Affected Versions

OpenHarmony:

Exploit Probability

EPSS
0.01%
Percentile
0.30%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.