CVE-2025-25278

CVE-2025-25278 is a high-severity vulnerability in Openatom Openharmony with a CVSS 3.x base score of 8.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-362.

Key facts

Description

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

Frequently asked questions

What is CVE-2025-25278?
in OpenHarmony v5.0.3 and prior versions allow a local attacker arbitrary code execution in tcb through race condition.
How severe is CVE-2025-25278?
CVE-2025-25278 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability high.
Is CVE-2025-25278 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-25278?
CVE-2025-25278 affects Openatom Openharmony. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-25278?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-25278 have an EU (EUVD) identifier?
Yes. CVE-2025-25278 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-24116.
When was CVE-2025-25278 published?
CVE-2025-25278 was published on 2025-08-11 and last updated on 2026-06-17.

References

Affected products (1)

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