CVE-2026-49305: CWE-755 Improper Handling of Exceptional Conditions in Huawei HarmonyOS
CVE-2026-49305 is a permission control vulnerability in the Wi-Fi enhancement module of Huawei HarmonyOS. Successful exploitation may impact system availability. The vulnerability is identified as CWE-755, involving improper handling of exceptional conditions. It affects specific versions of HarmonyOS. The CVSS score is 6.2, indicating a medium severity level. No official patch or remediation guidance is currently available from the vendor. There are no known exploits in the wild at this time.
AI Analysis
Technical Summary
This vulnerability in Huawei HarmonyOS's Wi-Fi enhancement module relates to improper handling of exceptional conditions (CWE-755), leading to a permission control weakness. Exploiting this flaw can affect the availability of the system, but does not impact confidentiality or integrity. The CVSS 3.1 base score is 6.2, with attack vector local, low attack complexity, no privileges required, no user interaction, and unchanged scope. The affected versions are exactly 4.0.0, 4.2.0, 4.3.0, and 4.3.1. There is no vendor advisory or patch information available, and no known active exploitation has been reported.
Potential Impact
The primary impact of this vulnerability is on system availability, potentially causing denial of service or disruption in the affected HarmonyOS versions. There is no impact on confidentiality or integrity according to the CVSS vector. The vulnerability arises from improper permission control in the Wi-Fi enhancement module, which could be exploited locally without privileges or user interaction.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should monitor Huawei's security advisories for updates. No specific mitigation steps are provided by the vendor at this time.
CVE-2026-49305: CWE-755 Improper Handling of Exceptional Conditions in Huawei HarmonyOS
Description
CVE-2026-49305 is a permission control vulnerability in the Wi-Fi enhancement module of Huawei HarmonyOS. Successful exploitation may impact system availability. The vulnerability is identified as CWE-755, involving improper handling of exceptional conditions. It affects specific versions of HarmonyOS. The CVSS score is 6.2, indicating a medium severity level. No official patch or remediation guidance is currently available from the vendor. There are no known exploits in the wild at this time.
CVSS v3.1
Score 6.2medium
Affected software
pkg:github/huawei/harmonyosRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Huawei HarmonyOS's Wi-Fi enhancement module relates to improper handling of exceptional conditions (CWE-755), leading to a permission control weakness. Exploiting this flaw can affect the availability of the system, but does not impact confidentiality or integrity. The CVSS 3.1 base score is 6.2, with attack vector local, low attack complexity, no privileges required, no user interaction, and unchanged scope. The affected versions are exactly 4.0.0, 4.2.0, 4.3.0, and 4.3.1. There is no vendor advisory or patch information available, and no known active exploitation has been reported.
Potential Impact
The primary impact of this vulnerability is on system availability, potentially causing denial of service or disruption in the affected HarmonyOS versions. There is no impact on confidentiality or integrity according to the CVSS vector. The vulnerability arises from improper permission control in the Wi-Fi enhancement module, which could be exploited locally without privileges or user interaction.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should monitor Huawei's security advisories for updates. No specific mitigation steps are provided by the vendor at this time.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- huawei
- Date Reserved
- 2026-05-29T03:16:14.062Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a82c954bf8831d5398c74b1
Added to database: 08/17/2026, 08:41:56 UTC
Last enriched: 08/17/2026, 08:59:58 UTC
Last updated: 08/17/2026, 09:01:04 UTC
Views: 4
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