Security readout for executives and security teams
Plain-English summary
Huawei reported a critical permission-verification flaw in the WLAN module of HarmonyOS and EMUI. Successful exploitation could let third-party apps affect WLAN functions. The public description is brief, so business impact should be assessed around affected Huawei mobile devices and their dependence on wireless connectivity.
Executive priority
Treat this as a high-priority mobile fleet issue if Huawei HarmonyOS or EMUI devices are present. The severity is critical, but urgency depends on actual device exposure because public sources do not confirm active exploitation.
Technical view
CVE-2022-39009 is a CWE-287 authentication/permission verification issue in Huawei WLAN components. The CVSS 3.1 score is 9.8 with AV:N/AC:L/PR:N/UI:N and high confidentiality, integrity, and availability impact. Affected versions listed are HarmonyOS 2.0 and 2.1, and EMUI 12.0.0.
Likely exposure
Exposure is most likely in organizations with Huawei devices running HarmonyOS 2.0/2.1 or EMUI 12.0.0, including managed mobile fleets and BYOD environments. The bundle does not identify specific device models or build numbers.
Exploitation context
The source bundle does not show CISA KEV listing or cited evidence of active exploitation. Huawei states successful exploitation may allow third-party apps to affect WLAN functions. Public technical detail is limited.
Researcher notes
The record has sparse public detail beyond WLAN permission verification and broad CVSS impact. Avoid assuming a specific attack path, affected hardware model, or remediation package unless verified in Huawei bulletins or device update channels.
Mitigation direction
- Inventory Huawei devices for HarmonyOS 2.0, HarmonyOS 2.1, and EMUI 12.0.0.
- Review Huawei September 2022 security bulletins for device-specific update guidance.
- Apply vendor-supported security updates where available for affected Huawei devices.
- Restrict untrusted third-party app installation on potentially affected devices.
- Prioritize managed devices that depend on WLAN for business operations.
Validation and detection
- Confirm OS and build versions through MDM, EMM, or device settings.
- Compare affected devices against Huawei September 2022 bulletin coverage.
- Check update compliance after applying vendor-supported firmware or security updates.
- Review mobile policy controls limiting unknown-source or unmanaged app installation.
- Monitor WLAN-related device incidents, but do not treat absence of logs as proof of safety.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-287: Credential and account abuse lookup
Authentication and credential weaknesses can make valid-account abuse and credential telemetry useful review starting points. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2022-39009 mapping review
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Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://device.harmonyos.com/en/docs/security/update/security-bulletins-phones-202209-0000001392278845CVE reference · x_refsource_MISC
- https://consumer.huawei.com/en/support/bulletin/2022/9/CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Authentication
Improper Authentication represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.