Overview
The ongoing evolution of wireless networking has not only made it an indispensable part of our daily lives but also a potential avenue for cyber threats. The vulnerability we are discussing today, CVE-2025-27051, is a serious flaw that affects wireless local area network (WLAN) hosts. It involves memory corruption while processing command messages, which could potentially lead to system compromise or data leakage. Given the widespread use of WLAN in homes, businesses, and public spaces, this vulnerability is of significant concern and demands immediate attention.
Vulnerability Summary
CVE ID: CVE-2025-27051
Severity: High (7.8 based on the CVSS Severity Score)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: System compromise or data leakage
Affected Products
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Product | Affected Versions
WLAN Hosts | All versions prior to patch
How the Exploit Works
The exploit works by sending a specially crafted command message to the WLAN host. This message triggers a memory corruption error in the host’s processing system. This corruption can lead to undefined behavior, including the potential for executing arbitrary code or accessing sensitive information, leading ultimately to a system compromise or data leakage.
Conceptual Example Code
The following is a conceptual example of how the exploit might work. Please note that this is a simplified representation for illustrative purposes only and does not represent actual exploit code.
# Send a malicious command message to the WLAN host
echo -n "malicious_payload" | nc target_wlan_host 12345In this example, `nc` is used to send a command message containing the malicious payload to the target WLAN host. The actual contents of the “malicious_payload” would be specifically crafted to exploit the memory corruption vulnerability in the WLAN host.
The exploit’s success hinges on the WLAN host’s inability to handle this malformed command message correctly, leading to memory corruption and subsequent potential for system compromise or data leakage.
Mitigation
The most effective mitigation strategy for this vulnerability is to apply the vendor-supplied patch. In the event that this patch is not immediately available or applicable, the use of a web application firewall (WAF) or intrusion detection system (IDS) can offer temporary mitigation. These systems can be configured to detect and block the specific command messages used to exploit this vulnerability.