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CVE-2025-25277— arkcompiler_ets_runtime has a type confusion vulnerability

Quick assessment

Affected
OpenHarmony OpenHarmony
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

OpenHarmony是中国开放原子（OpenAtom）基金会的一种鸿蒙操作系统的开源项目。 OpenHarmony v5.1.0及之前版本存在安全漏洞，该漏洞源于使用不兼容类型，可能导致本地攻击者在预装应用中执行任意代码。

CVSS 6.3 · Medium EPSS 0.15% · P4

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2025-25277

Vulnerability Information
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Vulnerability Title
arkcompiler_ets_runtime has a type confusion vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用不兼容类型访问资源(类型混淆)
Source: CVE Program / CVE List V5
Vulnerability Title
OpenHarmony 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenHarmony是中国开放原子（OpenAtom）基金会的一种鸿蒙操作系统的开源项目。 OpenHarmony v5.1.0及之前版本存在安全漏洞，该漏洞源于使用不兼容类型，可能导致本地攻击者在预装应用中执行任意代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
OpenHarmony OpenHarmony v5.0.3 ~ v5.1.0.x -

II. Public POCs for CVE-2025-25277

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III. Intelligence Information for CVE-2025-25277

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Vendor Advisories for CVE-2025-25277 (1)

Same Patch Batch · OpenHarmony · 2026-03-16 · 7 CVEs total

CVE-2025-12736 6.5 MEDIUM multimedia_audio_standard has an insecure storage of sensitive information vulnerability
CVE-2025-41432 5.5 MEDIUM arkcompiler_ets_runtime has an out-of-bounds write vulnerability
CVE-2025-52458 5.5 MEDIUM arkcompiler_ets_runtime has an out-of-bounds write vulnerability
CVE-2025-6969 5.0 MEDIUM ability_ability_runtime an improper input validation vulnerability
CVE-2026-0639 3.3 LOW liteos_a has a missing release of memory vulnerability
CVE-2025-26474 3.3 LOW communication_ipc an improper input validation vulnerability

IV. Related Vulnerabilities

Same product: OpenHarmony
Same vendor: OpenHarmony
Same weakness: CWE-843

V. Comments for CVE-2025-25277

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