Vulnerability · Published Mar 16, 2026 · Assigned by OpenHarmony
CVE-2025-52458arkcompiler_ets_runtime has an out-of-bounds write vulnerability
Medium 5.5
In plain English
A medium-severity out-of-bounds write in OpenHarmony from OpenHarmony. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 6% of all known vulnerabilities).
Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.2%top 94.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
in OpenHarmony v5.1.0 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| OpenHarmony | OpenHarmony | v5.0.3 – through v5.1.0.x |
Weakness: CWE-787 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N