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Vulnerabilities

Vulnerability · CVE-2025-25278

in OpenHarmony v5.0.3 and prior versions allow a local attacker arbitrary code execution in tcb through race condition.

Published Aug 11, 2025 · catalog updated Aug 11, 2025 · OpenHarmony OpenHarmony

Last checked Oct 27, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-25278. EPSS is 0.11%. Act only if a listed version of OpenHarmony OpenHarmony is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
High8.4
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.11%
Remediation
Advisory link
Affected products
vendor OpenHarmony OpenHarmony v5.0.3 ≤v5.0.3.x

in OpenHarmony v5.0.3 and prior versions allow a local attacker arbitrary code execution in tcb through race condition.

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.

  • vendor OpenHarmony OpenHarmony v5.0.3 ≤v5.0.3.xv5.0.3 ≤v5.0.3.x

How to fix CVE-2025-25278

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-2025-25278. EPSS is 0.11%. Act only if a listed version of OpenHarmony OpenHarmony is installed.

Which versions are affected?

Compare what you have installed with OpenHarmony OpenHarmony v5.0.3 ≤v5.0.3.x v5.0.3 ≤v5.0.3.x. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.11%. 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. Aug 11, 2025 · EUVD

    Detected

    in OpenHarmony v5.0.3 and prior versions allow a local attacker arbitrary code execution in tcb through race condition.

  2. Aug 11, 2025 · EUVD

    Updated

    in OpenHarmony v5.0.3 and prior versions allow a local attacker arbitrary code execution in tcb through race condition.

Sources

  • CVE.orgVulnerability recordCVE-2025-25278

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-25278

    30-day exploitation probability 0.11%

    first.org
  • EUVDVulnerability recordEUVD-2025-24116

    in OpenHarmony v5.0.3 and prior versions allow a local attacker arbitrary code execution in tcb through race condition.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 27, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 24, 2026
  • CVE.orgOct 21, 2026
  • EUVDOct 20, 2026