CVE-2026-34866

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Summary

CVECVE-2026-34866
StatePUBLISHED
Assignerhuawei
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-13 07:16:50 UTC
Updated2026-04-17 19:26:01 UTC
DescriptionOut-of-bounds write vulnerability in the WEB module.Impact: Successful exploitation of this vulnerability will affect availability and confidentiality.

Risk And Classification

Primary CVSS: v3.1 5.1 MEDIUM from [email protected]

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

EPSS: 0.000080000 probability, percentile 0.007560000 (date 2026-04-20)

Problem Types: CWE-120 | CWE-120 CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary5.1MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
3.1CNACVSS5.1MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
Low

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Huawei Harmonyos 6.0.0 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Huawei HarmonyOS affected 6.0.0 Not specified

References

ReferenceSourceLinkTags
consumer.huawei.com/en/support/bulletinwearables/2026/4 [email protected] consumer.huawei.com Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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