CVE-2026-49305

Local service interrupt via Wi-Fi permission flaw

Published Aug 17, 2026 · Updated Aug 17, 2026

Improper permission control in Huawei EMUI and HarmonyOS allows local users to interrupt service via the Wi-Fi enhancement module. Huawei describes the issue only as a permission control vulnerability in that module and has not published the affected code path or the specific check that fails on untrusted requests. Published scoring limits reachability to local access, requires no prior privileges or user interaction, and supports an availability-only triage.

CVSS severity6.2
Medium
EPSS probability0.08%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper permission control in Huawei EMUI and HarmonyOS allows local users to interrupt service via the Wi-Fi enhancement module. Huawei describes the issue only as a permission control vulnerability in that module and has not published the affected code path or the specific check that fails on untrusted requests. Published scoring limits reachability to local access, requires no prior privileges or user interaction, and supports an availability-only triage.

The record

CVE
CVE-2026-49305
Published
Aug 17, 2026
Updated
Aug 17, 2026
Vendor
MindSpore
Product
HarmonyOS
Classifications
CWE-755
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 17, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 17, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=4.0.0
  2. Affected versionversion=4.2.0
  3. Affected versionversion=4.3.0
  4. Affected versionversion=4.3.1

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

MindSpore · HarmonyOSversion=4.0.0; version=4.2.0; version=4.3.0; version=4.3.1
MindSpore · EMUIversion=14.0.0; version=14.2.0; version=15.0.0

Published CVSS scores

6.2Huawei TechnologiesCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-755Improper Handling of Exceptional Conditions

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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