CVE-2025-58307 is a use-after-free vulnerability classified under CWE-416 found in the screen recording framework module of Huawei's HarmonyOS operating system. The affected versions include 5.0.1, 5.1.0, and 6.0.0. A use-after-free flaw occurs when a program continues to use a pointer after the memory it points to has been freed, leading to undefined behavior such as memory corruption, crashes, or arbitrary code execution. In this case, the vulnerability resides in the screen recording framework, a component responsible for capturing and processing screen content. Successful exploitation requires local access with high privileges (PR:H) and does not require user interaction (UI:N), indicating that an attacker must already have significant control over the device or system. The CVSS vector (AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H) indicates that the attack vector is local, attack complexity is high, privileges required are high, and the impact on confidentiality, integrity, and availability is high. Although no known exploits are currently reported in the wild, the vulnerability could be leveraged to cause denial of service or potentially escalate privileges further, compromising system stability and security. No patches have been released at the time of publication, increasing the urgency for defensive measures. The vulnerability affects Huawei HarmonyOS, which is deployed primarily on Huawei smartphones, IoT devices, and embedded systems, making it relevant for organizations relying on Huawei hardware and software ecosystems.

For European organizations, the impact of CVE-2025-58307 could be significant in environments where Huawei HarmonyOS devices are used, particularly in telecommunications, government, and critical infrastructure sectors. Exploitation could lead to denial of service conditions, disrupting availability of devices and services. Given the high impact on confidentiality and integrity, sensitive data processed or displayed on affected devices could be at risk if attackers leverage this vulnerability as part of a broader attack chain. The requirement for high privileges limits remote exploitation but does not eliminate risk from insider threats or compromised local accounts. Disruption of screen recording functionality could also affect monitoring and auditing capabilities. Organizations relying on Huawei devices for operational technology or communications may face increased risk of service outages or data breaches. The absence of patches means that mitigation currently depends on access control and monitoring, increasing operational overhead and risk exposure.

1. Restrict local access to devices running affected versions of HarmonyOS, ensuring only trusted administrators have high privilege accounts. 2. Implement strict privilege management and monitoring to detect unusual activity indicative of exploitation attempts. 3. Disable or restrict the use of the screen recording framework module where feasible, especially on critical systems. 4. Employ endpoint detection and response (EDR) solutions capable of identifying memory corruption or abnormal process behavior related to use-after-free exploitation. 5. Maintain network segmentation to limit lateral movement if a device is compromised. 6. Regularly audit and update device inventories to identify all HarmonyOS devices and their versions. 7. Prepare for rapid deployment of patches once Huawei releases fixes, including testing and validation in controlled environments. 8. Educate staff on the risks of privilege escalation and insider threats to reduce the likelihood of local exploitation. 9. Collaborate with Huawei support channels for timely vulnerability information and remediation guidance.