CVE-2022-37888 in InstantOS
Summary
by MITRE • 10/06/2022
There are buffer overflow vulnerabilities in multiple underlying services that could lead to unauthenticated remote code execution by sending specially crafted packets destined to the PAPI (Aruba Networks AP management protocol) UDP port (8211). Successful exploitation of these vulnerabilities results in the ability to execute arbitrary code as a privileged user on the underlying operating system of Aruba InstantOS 6.4.x: 6.4.4.8-4.2.4.20 and below; Aruba InstantOS 6.5.x: 6.5.4.23 and below; Aruba InstantOS 8.6.x: 8.6.0.18 and below; Aruba InstantOS 8.7.x: 8.7.1.9 and below; Aruba InstantOS 8.10.x: 8.10.0.1 and below; ArubaOS 10.3.x: 10.3.1.0 and below; Aruba has released upgrades for Aruba InnstantOS that address these security vulnerabilities.
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Analysis
by VulDB Data Team • 06/19/2026
The vulnerability identified as CVE-2022-37888 represents a critical buffer overflow flaw affecting Aruba Networks wireless access point management infrastructure. This vulnerability specifically targets the PAPI (Aruba Networks AP management protocol) UDP port 8211, which serves as the primary communication channel for managing Aruba InstantOS and ArubaOS devices. The flaw exists within multiple underlying services that process incoming packets destined for this port, creating a pathway for remote attackers to exploit the system without requiring authentication credentials. The affected versions span across multiple major releases including InstantOS 6.4.x through 8.10.x and ArubaOS 10.3.x, indicating a widespread impact across the vendor's product lineage.
The technical nature of this vulnerability stems from improper input validation within the packet processing routines of the PAPI protocol implementation. When specially crafted packets are sent to UDP port 8211, the buffer overflow occurs during the parsing of these packets, allowing attackers to overwrite adjacent memory locations in the running processes. This type of vulnerability maps directly to CWE-121, which describes stack-based buffer overflow conditions where insufficient bounds checking permits memory corruption. The exploitation mechanism leverages the fact that the vulnerable services operate with elevated privileges, meaning successful exploitation grants attackers the ability to execute arbitrary code with system-level privileges rather than merely user-level access.
The operational impact of this vulnerability extends far beyond simple network disruption, as it enables complete system compromise without any authentication requirements. Attackers can leverage this vulnerability to gain persistent access to wireless networks, potentially leading to data exfiltration, network infiltration, or complete network takeover. The remote code execution capability means that adversaries can install backdoors, modify network configurations, or establish command and control channels without physical access to the affected devices. This vulnerability directly aligns with ATT&CK technique T1059.007 for command and control communication and T1068 for exploit for privilege escalation, creating a comprehensive attack vector that can be exploited from outside the network perimeter.
Organizations utilizing affected Aruba devices face significant security risks, particularly in environments where wireless infrastructure serves as a primary network entry point. The vulnerability's impact is amplified by the fact that it affects multiple versions across different product lines, requiring comprehensive patch management across the entire wireless infrastructure. Network segmentation and monitoring solutions should be implemented to detect unusual traffic patterns on UDP port 8211, as this represents the primary attack vector. The recommended mitigation strategy involves immediate deployment of vendor-provided security patches addressing the buffer overflow conditions in the PAPI protocol implementation. Additionally, network administrators should consider implementing firewall rules to restrict access to UDP port 8211 from untrusted networks and establish continuous monitoring for anomalous packet patterns that could indicate exploitation attempts.