CVE-2023-28567 in 315 5G IoT Modem
Summary
by MITRE • 09/05/2023
Memory corruption in WLAN HAL while handling command through WMI interfaces.
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Analysis
by VulDB Data Team • 06/12/2026
This vulnerability represents a critical memory corruption flaw within the wireless local area network hardware abstraction layer that specifically manifests when processing commands transmitted through the wireless management interface. The issue arises from insufficient input validation and memory boundary checking mechanisms within the WLAN HAL component, which fails to properly sanitize or verify the integrity of commands received via WMI interfaces. Such memory corruption vulnerabilities typically stem from buffer overflows, use-after-free conditions, or improper memory allocation patterns that allow malicious actors to manipulate memory contents and potentially execute arbitrary code. The flaw exists at the intersection of wireless networking protocols and hardware abstraction layers, creating a pathway for attackers to exploit the communication channel between wireless drivers and network management systems. This type of vulnerability falls under the broader category of memory safety issues that are commonly classified as CWE-121, CWE-122, or CWE-125 depending on the specific manifestation of the memory corruption.
The operational impact of this vulnerability extends beyond simple system instability to potentially enable full system compromise when exploited by malicious actors. Attackers can leverage this weakness to execute code within the context of the wireless driver or system kernel, potentially gaining elevated privileges and persistent access to affected devices. The WMI interface serves as a critical communication pathway for wireless network management functions including configuration updates, status reporting, and command execution, making it an attractive target for exploitation. When successfully exploited, this vulnerability can lead to complete system compromise, data exfiltration, or denial of service conditions that affect wireless connectivity and network operations. The attack surface is particularly concerning in enterprise environments where wireless infrastructure components are frequently targeted due to their critical role in network operations and the potential for lateral movement once initial access is achieved.
Mitigation strategies for this vulnerability should focus on implementing robust input validation mechanisms within the WLAN HAL component and ensuring proper memory management practices throughout the wireless driver stack. Organizations should prioritize applying vendor security patches and firmware updates that address the specific memory corruption patterns identified in the vulnerability. Network segmentation and access controls can help limit the potential impact of exploitation by restricting access to wireless management interfaces. The implementation of runtime protections such as address space layout randomization, stack canaries, and code integrity checks can provide additional defense-in-depth measures. Security monitoring should include detection of anomalous WMI command sequences and unusual patterns in wireless network management traffic that may indicate exploitation attempts. From an ATT&CK framework perspective, this vulnerability maps to techniques involving privilege escalation and persistence through driver-level modifications, making it particularly relevant for security teams focused on protecting against advanced persistent threats targeting wireless infrastructure components.