CVE-2022-23382 in IP Camera
Summary
by MITRE • 09/11/2023
Shenzhen Hichip Vision Technology IP Camera Firmware V11.4.8.1.1-20170926 has a denial of service vulnerability through sending a crafted multicast message in a local network.
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Analysis
by VulDB Data Team • 04/30/2026
The vulnerability identified as CVE-2022-23382 affects Shenzhen Hichip Vision Technology IP Camera firmware version 11.4.8.1.1-20170926, representing a critical denial of service weakness that can be exploited through crafted multicast messages within local network environments. This issue falls under the broader category of network protocol vulnerabilities that can compromise the availability of networked security devices. The affected firmware demonstrates a failure to properly validate and handle multicast traffic, creating an exploitable condition that allows unauthorized users to disrupt normal camera operations.
The technical flaw manifests when the IP camera firmware processes maliciously crafted multicast packets that are designed to trigger buffer overflows or improper state handling within the device's network processing components. This vulnerability operates at the network layer where multicast communication is handled, typically involving the internet group management protocol or similar multicast protocols used for efficient network communication. The camera's firmware lacks adequate input validation mechanisms for multicast messages, allowing crafted payloads to cause unexpected behavior in the device's network stack. This weakness enables attackers to send specifically formatted multicast packets that can trigger memory corruption, process termination, or other abnormal operational states that result in complete service disruption.
From an operational impact perspective, this vulnerability creates significant security implications for organizations relying on these IP cameras for surveillance and monitoring purposes. The denial of service condition can render cameras completely inoperative, potentially leaving critical areas unprotected during the time when the device is unavailable. The attack vector is particularly concerning as it requires only local network access, meaning that an attacker within the same network segment can exploit this weakness without requiring external network exposure. This vulnerability can be especially dangerous in enterprise environments where multiple cameras are deployed and where the compromise of a single device could impact overall security monitoring capabilities. The impact extends beyond simple service interruption as it can also potentially lead to extended downtime requiring manual intervention and device reboot cycles.
Mitigation strategies for CVE-2022-23382 should prioritize firmware updates from Shenzhen Hichip Vision Technology to address the specific multicast handling vulnerability. Organizations should implement network segmentation and access controls to limit local network access to these devices, reducing the attack surface for potential exploitation. Network monitoring solutions should be deployed to detect unusual multicast traffic patterns that may indicate exploitation attempts, as this vulnerability specifically targets multicast message processing within the network stack. The implementation of network access control lists and firewall rules can help restrict multicast traffic to only trusted sources, preventing unauthorized exploitation of this vulnerability. Additionally, regular vulnerability assessments and security audits should be conducted to identify similar weaknesses in other networked security devices within the organization's infrastructure. This vulnerability aligns with CWE-121, which addresses stack-based buffer overflow conditions, and represents a typical example of how inadequate input validation in network protocols can lead to service disruption. The attack pattern described corresponds to techniques categorized under the ATT&CK framework's network denial of service tactics, specifically targeting network infrastructure devices to maintain persistent availability compromises.