CVE-2025-0303— Liteos_a has a buffer overflow 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 4.1.2及之前版本存在安全漏洞，该漏洞源于存在缓冲区操作不当，会导致本地攻击者权限提升至root及敏感信息泄露。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-0303
Vulnerability Information
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Vulnerability Title
Liteos_a has a buffer overflow vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
in OpenHarmony v4.1.2 and prior versions allow a local attacker cause the common permission is upgraded to root and sensitive information leak through buffer overflow.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
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 4.1.2及之前版本存在安全漏洞，该漏洞源于存在缓冲区操作不当，会导致本地攻击者权限提升至root及敏感信息泄露。
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 | v4.1.0 ~ 4.1.2 | - |
|
II. Public POCs for CVE-2025-0303
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2025-0303 (1)
Same Patch Batch · OpenHarmony · 2025-02-07 · 3 CVEs total
| CVE-2025-0304 | 8.8 HIGH | Liteos_a has an use after free vulnerability |
| CVE-2025-0302 | 5.5 MEDIUM | Liteos_a has an integer overflow read vulnerability |
IV. Related Vulnerabilities
Same product: OpenHarmony
-
CVE-2026-33565
kernel_linux_common_modules has a Race Condition vulnerabili -
CVE-2026-28733
filemanagement_storage_service has an use after free vulnera -
CVE-2026-27766
multimedia_audio_framework has a Race Condition vulnerabilit -
CVE-2026-25850
filemanagement_storage_service has an improper preservation -
CVE-2026-25781
kernel_liteos_a has an out-of-bounds write vulnerability
Same vendor: OpenHarmony
-
CVE-2026-33565
kernel_linux_common_modules has a Race Condition vulnerabili -
CVE-2026-28733
filemanagement_storage_service has an use after free vulnera -
CVE-2026-27766
multimedia_audio_framework has a Race Condition vulnerabilit -
CVE-2026-25850
filemanagement_storage_service has an improper preservation -
CVE-2026-25781
kernel_liteos_a has an out-of-bounds write vulnerability
Same weakness: CWE-120
-
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DrayTek VigorSwitch Multiple Models Buffer Overflow via mail
V. Comments for CVE-2025-0303
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