CVE-2022-2794 in PageWide Pro Printer
Summary
by MITRE • 12/12/2022
Certain HP PageWide Pro Printers may be vulnerable to a potential denial of service attack.
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Analysis
by VulDB Data Team • 04/30/2025
The vulnerability identified as CVE-2022-2794 affects HP PageWide Pro series printers and represents a denial of service weakness that could potentially disrupt printing operations within enterprise environments. This vulnerability specifically impacts the printer's network communication handling capabilities, creating a scenario where malicious actors could exploit the flaw to interrupt legitimate print jobs and service availability. The affected devices operate under HP's PageWide technology platform which is designed for high-speed document printing in professional settings, making the potential impact significant for organizations relying on consistent printing infrastructure. The vulnerability resides in the printer's processing of network requests and response handling mechanisms, where insufficient input validation allows for malformed data to cause system instability. According to the Common Weakness Enumeration catalog, this vulnerability maps to CWE-400 which classifies it as an Uncontrolled Resource Consumption issue, indicating that the flaw could lead to resource exhaustion through improper handling of network traffic.
The technical exploitation of CVE-2022-2794 occurs when an attacker sends specially crafted network packets to the affected printer's network interface, triggering a condition where the device becomes unresponsive or enters a restart cycle. This occurs because the printer firmware fails to properly validate incoming data streams, particularly those related to print job parameters and network protocol handling. The attack vector typically involves sending malformed or excessive print job data that causes the printer's memory management system to consume resources beyond normal operational limits. The vulnerability is particularly concerning because it affects network-based printer operations, meaning that attackers could potentially exploit it from remote locations without requiring physical access to the devices. This remote exploit capability aligns with ATT&CK technique T1499.001 which covers network denial of service attacks targeting network infrastructure components. The flaw demonstrates poor defensive programming practices where the system lacks adequate input sanitization and resource allocation controls that would normally prevent such conditions.
From an operational impact perspective, organizations using HP PageWide Pro printers face significant risks including disruption of business processes, loss of productivity, and potential financial losses due to printing downtime. The vulnerability affects printers that are typically deployed in high-volume office environments where continuous operation is essential for document processing workflows. When exploited, the denial of service condition can cause print queues to fail, prevent new print jobs from being processed, and potentially require manual intervention to restore normal operations. The impact extends beyond simple printing interruptions as it can affect downstream applications that depend on successful print job completion, creating cascading operational issues within document management systems. Organizations may experience increased IT support requests, reduced employee productivity, and potential compliance issues if critical document processing is disrupted. The vulnerability particularly impacts sectors such as healthcare, financial services, and government agencies where continuous printing operations are essential for regulatory compliance and operational continuity.
Mitigation strategies for CVE-2022-2794 should focus on both immediate protective measures and long-term system hardening approaches. Organizations should prioritize applying HP's official firmware updates and security patches that address the specific resource consumption vulnerability in the printer's network handling code. Network segmentation and access control measures should be implemented to limit exposure of printer devices to untrusted network segments, reducing the attack surface available to potential exploiters. Implementing network monitoring solutions that can detect anomalous print job patterns or excessive resource consumption by printer devices can provide early warning of exploitation attempts. Device configuration should include disabling unnecessary network services and ports, implementing strong authentication mechanisms for printer management interfaces, and establishing regular security audits of networked printing infrastructure. The mitigation approach should align with industry best practices outlined in standards such as NIST SP 800-44 for printer security and ISO 27001 for information security management. Organizations should also consider implementing printer management solutions that can automatically detect and respond to unusual network traffic patterns that may indicate exploitation attempts, providing an additional layer of protection against this denial of service vulnerability.