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Vulnerabilities

Vulnerability · CVE-2025-52458

in OpenHarmony v5.1.0 and prior versions allow a local attacker arbitrary code execution in pre-installed apps through out-of-bounds write.

Published Mar 16, 2026 · catalog updated Jun 17, 2026 · in OpenHarmony v5.1.0 and

Check if you run it

No confirmed exploitation is on record for CVE-2025-52458. EPSS is 0.16%. Act only if a listed version of in OpenHarmony v5.1.0 and is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (in OpenHarmony v5.1.0 and).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High7.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.16%
Remediation
Advisory link
Affected products
cpe openatom/openharmony

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe openatom/openharmony5.0.3
  • cpe openatom/openharmony5.1.0

How to fix CVE-2025-52458

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-52458. EPSS is 0.16%. Act only if a listed version of in OpenHarmony v5.1.0 and is installed.

Which versions are affected?

Compare what you have installed with 5.0.3, 5.1.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-787: Out-of-bounds Write. EPSS 0.16%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 16, 2026 · NIST NVD

    Detected

    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.

  2. Jun 17, 2026 · NIST NVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2025-52458

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-52458

    30-day exploitation probability 0.2%

    first.org
  • NIST NVDVulnerability recordCVE-2025-52458

    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.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.