Vulnerability-Lookup

CNVD-2026-33423

Vulnerability from cnvd - Published: 2026-08-24

Title

Huawei HarmonyOS和EMUI权限控制漏洞

Description

Huawei HarmonyOS是华为技术有限公司自主研发的面向全场景的分布式操作系统，Huawei EMUI是华为基于Android开发的情感化操作系统。 Huawei HarmonyOS和EMUI存在权限控制漏洞，该漏洞源于Wi-Fi增强模块中权限控制机制未能正确处理特定场景，攻击者可利用该漏洞影响系统可用性。

Severity

中

Patch Name

Huawei HarmonyOS和EMUI权限控制漏洞的补丁

Patch Description

Formal description

目前厂商已发布升级程序修复该安全问题，详情见厂商官网: https://consumer.huawei.com/en/support/bulletin/2026/8/

Reference

https://nvd.nist.gov/vuln/detail/CVE-2026-49305

Impacted products

Name
['Huawei HarmonyOS 4.0.0', 'Huawei HarmonyOS 4.2.0', 'Huawei EMUI 14.0.0', 'Huawei HarmonyOS 4.3.0', 'Huawei HarmonyOS 4.3.1', 'Huawei EMUI 15.0.0', 'Huawei EMUI 14.2.0']

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2026-49305",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2026-49305"
    }
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  "description": "Huawei HarmonyOS\u662f\u534e\u4e3a\u6280\u672f\u6709\u9650\u516c\u53f8\u81ea\u4e3b\u7814\u53d1\u7684\u9762\u5411\u5168\u573a\u666f\u7684\u5206\u5e03\u5f0f\u64cd\u4f5c\u7cfb\u7edf\uff0cHuawei EMUI\u662f\u534e\u4e3a\u57fa\u4e8eAndroid\u5f00\u53d1\u7684\u60c5\u611f\u5316\u64cd\u4f5c\u7cfb\u7edf\u3002\n\nHuawei HarmonyOS\u548cEMUI\u5b58\u5728\u6743\u9650\u63a7\u5236\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eWi-Fi\u589e\u5f3a\u6a21\u5757\u4e2d\u6743\u9650\u63a7\u5236\u673a\u5236\u672a\u80fd\u6b63\u786e\u5904\u7406\u7279\u5b9a\u573a\u666f\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5f71\u54cd\u7cfb\u7edf\u53ef\u7528\u6027\u3002",
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  "number": "CNVD-2026-33423",
  "openTime": "2026-08-24",
  "patchDescription": "Huawei HarmonyOS\u662f\u534e\u4e3a\u6280\u672f\u6709\u9650\u516c\u53f8\u81ea\u4e3b\u7814\u53d1\u7684\u9762\u5411\u5168\u573a\u666f\u7684\u5206\u5e03\u5f0f\u64cd\u4f5c\u7cfb\u7edf\uff0cHuawei EMUI\u662f\u534e\u4e3a\u57fa\u4e8eAndroid\u5f00\u53d1\u7684\u60c5\u611f\u5316\u64cd\u4f5c\u7cfb\u7edf\u3002\r\n\r\nHuawei HarmonyOS\u548cEMUI\u5b58\u5728\u6743\u9650\u63a7\u5236\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eWi-Fi\u589e\u5f3a\u6a21\u5757\u4e2d\u6743\u9650\u63a7\u5236\u673a\u5236\u672a\u80fd\u6b63\u786e\u5904\u7406\u7279\u5b9a\u573a\u666f\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5f71\u54cd\u7cfb\u7edf\u53ef\u7528\u6027\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Huawei HarmonyOS\u548cEMUI\u6743\u9650\u63a7\u5236\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Huawei HarmonyOS 4.0.0",
      "Huawei HarmonyOS 4.2.0",
      "Huawei EMUI 14.0.0",
      "Huawei HarmonyOS 4.3.0",
      "Huawei HarmonyOS 4.3.1",
      "Huawei EMUI 15.0.0",
      "Huawei EMUI 14.2.0"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2026-49305",
  "serverity": "\u4e2d",
  "submitTime": "2026-08-18",
  "title": "Huawei HarmonyOS\u548cEMUI\u6743\u9650\u63a7\u5236\u6f0f\u6d1e"
}

CVE-2026-49305 (GCVE-0-2026-49305)

Vulnerability from cvelistv5 – Published: 2026-08-17 08:33 – Updated: 2026-08-17 10:50

Summary

Permission control vulnerability in the Wi-Fi enhancement module. Impact: Successful exploitation of this vulnerability may affect availability.

Severity

6.2 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-17 10:46 UTC

CWE

CWE-755 - Improper Handling of Exceptional Conditions

Assigner

huawei mitre root

References

2 references

URL	Tags
https://consumer.huawei.com/en/support/bulletin/2026/8/
https://consumer.huawei.com/en/support/bulletinvi…

Impacted products

2 products

Vendor	Product	Version
Huawei	HarmonyOS	Affected: 4.3.1 Affected: 4.3.0 Affected: 4.2.0 Affected: 4.0.0
Huawei	EMUI	Affected: 15.0.0 Affected: 14.2.0 Affected: 14.0.0

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JSON

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

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