CVE-2022-37885 in InstantOS
Summary
by MITRE • 10/07/2022
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-2022-37885 represents a critical buffer overflow condition affecting Aruba Networks wireless access point management infrastructure through the PAPI protocol implementation. This flaw exists within multiple underlying services that process incoming network packets destined for the designated UDP port 8211, which serves as the primary communication channel for Aruba InstantOS and ArubaOS management operations. The vulnerability architecture stems from inadequate input validation mechanisms within the protocol handler, creating exploitable conditions where malformed packet data can exceed allocated buffer boundaries and overwrite adjacent memory segments.
The technical exploitation of this vulnerability leverages the inherent characteristics of buffer overflow attacks, specifically targeting memory corruption patterns that allow attackers to manipulate program execution flow. When specially crafted packets are transmitted to the vulnerable UDP port 8211, the insufficient boundary checks cause memory overwrite conditions that can be manipulated to inject and execute arbitrary code within the target system's memory space. This represents a classic stack-based buffer overflow scenario where attacker-controlled data exceeds the allocated buffer capacity, potentially leading to privilege escalation and complete system compromise. The vulnerability affects multiple versions across different Aruba operating system branches including InstantOS 6.4.x through 8.10.x and ArubaOS 10.3.x, indicating a widespread impact across the vendor's product portfolio.
The operational impact of this vulnerability extends beyond simple remote code execution to encompass complete system compromise and potential lateral movement within network environments. An unauthenticated attacker can leverage this vulnerability to gain privileged access to affected systems, potentially enabling persistent backdoor establishment, data exfiltration, and network reconnaissance activities. The implications are particularly severe for wireless network infrastructure, as compromised access points can serve as entry points for broader network infiltration. This vulnerability aligns with ATT&CK technique T1210 (Exploitation of Remote Services) and CWE-121 (Stack-based Buffer Overflow), demonstrating how improper memory management can create persistent security risks.
Organizations utilizing affected Aruba network equipment face significant operational risks including potential unauthorized access to wireless network management systems, disruption of network services, and compromise of sensitive network data. The vulnerability's unauthenticated nature eliminates the need for prior access credentials, making it particularly dangerous for environments where physical security controls may be insufficient. Security teams must prioritize immediate remediation through vendor-provided patches and updates, while implementing network segmentation and monitoring controls to detect potential exploitation attempts. The vulnerability highlights the importance of robust input validation and memory safety practices in network protocol implementations, particularly for critical infrastructure components that operate with elevated privileges and handle sensitive management communications.