CVE-2025-58309 Overview
CVE-2025-58309 is a permission control vulnerability in the startup recovery module of Huawei HarmonyOS. The flaw allows a local, low-privileged actor to affect confidentiality and availability on affected devices. Huawei disclosed the issue in its November 2025 security bulletin covering HarmonyOS versions 5.0.1, 5.1.0, and 6.0.0. The weakness is classified under [CWE-264: Permissions, Privileges, and Access Controls]. No public exploit code, proof-of-concept, or evidence of exploitation in the wild has been reported at the time of publication.
Critical Impact
Local low-privileged access to the startup recovery module can lead to disclosure of sensitive data and disruption of device availability on affected HarmonyOS builds.
Affected Products
- Huawei HarmonyOS 5.0.1
- Huawei HarmonyOS 5.1.0
- Huawei HarmonyOS 6.0.0
Discovery Timeline
- 2025-11-28 - CVE-2025-58309 published to NVD
- 2026-06-17 - Last updated in NVD database
Technical Details for CVE-2025-58309
Vulnerability Analysis
The vulnerability resides in the startup recovery module of HarmonyOS. According to Huawei's advisory, the module enforces insufficient permission controls, permitting a local actor with limited privileges to reach functionality that should be restricted. Successful exploitation impacts both confidentiality and availability, meaning an attacker can read protected data and disrupt normal device operation. Integrity is not affected based on the published CVSS vector.
The startup recovery module handles low-level device state operations tied to boot and recovery flows. Weak access enforcement in this component is significant because recovery paths often expose privileged interfaces intended only for system-level callers.
Root Cause
The root cause is improper permission enforcement in the startup recovery module, mapped to [CWE-264]. The component does not adequately validate the caller's privilege level before granting access to protected operations. Huawei's bulletin does not disclose the specific interface, service, or function involved.
Attack Vector
Exploitation requires local access with low privileges and no user interaction. An attacker with an application-level foothold on the device, for example through a malicious app installed by the user, can invoke the affected functionality within the startup recovery module. The scope is unchanged, meaning impact is confined to the vulnerable component's security authority.
No public proof-of-concept or exploitation guidance is currently available. Refer to the Huawei Security Bulletin for vendor-provided technical context.
Detection Methods for CVE-2025-58309
Indicators of Compromise
- No public indicators of compromise have been published for CVE-2025-58309 at this time.
- Monitor the Huawei Security Bulletin for updated forensic guidance.
Detection Strategies
- Inventory HarmonyOS devices and identify those running versions 5.0.1, 5.1.0, or 6.0.0 that have not received the November 2025 patch level.
- Review installed third-party applications for unexpected requests to interact with system recovery or boot-related interfaces.
- Track anomalous device reboots, recovery-mode entries, or unexpected data access events surfaced by mobile device management (MDM) telemetry.
Monitoring Recommendations
- Ingest MDM and mobile threat defense logs into a centralized analytics platform to correlate reboot, crash, and permission-denied events across the fleet.
- Alert on installations of unverified or sideloaded applications on managed HarmonyOS devices.
- Track HarmonyOS patch-level compliance as a continuous control and flag devices that drift from the vendor-approved baseline.
How to Mitigate CVE-2025-58309
Immediate Actions Required
- Apply the HarmonyOS security update referenced in the November 2025 Huawei Security Bulletin to all affected devices.
- Restrict installation of applications to trusted sources through MDM policy on managed devices.
- Prioritize patch deployment on devices that process sensitive corporate or personal data.
Patch Information
Huawei addressed CVE-2025-58309 in the November 2025 HarmonyOS security update. Affected users should upgrade to the fixed builds documented in the Huawei Security Bulletin. Huawei has not published individual patch commit references for this issue.
Workarounds
- No vendor-supplied workarounds have been published; patching is the recommended remediation path.
- Reduce exposure by limiting sideloading and enforcing application allow-lists via enterprise mobility management until updates are applied.
- Isolate unpatched devices from access to high-value corporate resources until they reach the fixed HarmonyOS build.
# Example: verify HarmonyOS build via MDM query and flag unpatched versions
# Replace with your MDM vendor's specific command syntax
mdm-cli query --os harmonyos --field build_version \
| awk '$2 ~ /^(5\.0\.1|5\.1\.0|6\.0\.0)/ {print $1" NEEDS_PATCH"}'
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
