arkcompiler_ets_runtime has a type confusion vulnerability

published 2026-03-16 7 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-208675

cvss: 6.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 4%
public exploits: 0; none known

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.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 7 mo ago (2026-03-16)

Exploit prediction

0.16% chance of exploitation in the next 30 days, higher than 4% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.3	CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
NVD	3.1	7.0	CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

OpenHarmony OpenHarmony

Classification

Weakness

CWE-843 Access of Resource Using Incompatible Type

References

gitcode.com /openharmony/security/tree/master/zh/security-disclosure/2025/2025-11.md
vendor-advisory

Sources

CVE List CVE-2025-25277
NVD CVE-2025-25277

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Summary