How severe is CVE-2025-54643?

CVE-2025-54643 has a CVSS 3.x base score of 6.6, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability low.

Is CVE-2025-54643 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-2025-54643?

CVE-2025-54643 primarily affects Huawei Emui. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-54643?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-54643 have an EU (EUVD) identifier?

Yes. CVE-2025-54643 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-23758.

When was CVE-2025-54643 published?

CVE-2025-54643 was published on 2025-08-06 and last updated on 2026-06-17.

CVE-2025-54643

CVE-2025-54643 is a medium-severity vulnerability in Huawei Emui with a CVSS 3.x base score of 6.6. 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-129.

Key facts

Severity: Medium (CVSS 3.x base score 6.6)
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-23758
Weakness: CWE-129
Affected product: Huawei Emui
Published: 2025-08-06
Last modified: 2026-06-17

Description

Out-of-bounds array access issue due to insufficient data verification in the kernel ambient light module. Impact: Successful exploitation of this vulnerability may affect service confidentiality.

Frequently asked questions

What is CVE-2025-54643?: Out-of-bounds array access issue due to insufficient data verification in the kernel ambient light module. Impact: Successful exploitation of this vulnerability may affect service confidentiality.
How severe is CVE-2025-54643?: CVE-2025-54643 has a CVSS 3.x base score of 6.6, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability low.
Is CVE-2025-54643 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-2025-54643?: CVE-2025-54643 primarily affects Huawei Emui. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-54643?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-54643 have an EU (EUVD) identifier?: Yes. CVE-2025-54643 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-23758.
When was CVE-2025-54643 published?: CVE-2025-54643 was published on 2025-08-06 and last updated on 2026-06-17.

References

https://consumer.huawei.com/en/support/bulletin/2025/8/

Affected products (4)

cpe:2.3:o:huawei:emui:13.0.0:*:*:*:*:*:*:*
cpe:2.3:o:huawei:emui:14.0.0:*:*:*:*:*:*:*
cpe:2.3:o:huawei:harmonyos:3.1.0:*:*:*:*:*:*:*
cpe:2.3:o:huawei:harmonyos:4.0.0:*:*:*:*:*:*:*

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