CVE-2026-17612 in S35 3M
Summary
by MITRE • 07/27/2026
Honeywell S35 Series 3M/5M/8M/PinHole Cameras, all versions prior to and including version HC5.26.1.14.20260207 contains an audit log disclosure Vulnerability that could allow an attacker to access audit logs without authentication, potentially resulting in the disclosure of sensitive information. Honeywell recommends updating to the latest available version (HC5.26.1.16.20260207) once available.
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Analysis
by VulDB Data Team • 07/27/2026
The vulnerability identified in Honeywell S35 Series 3M/5M/8M/PinHole Cameras represents a critical security flaw that undermines the integrity of the device's access controls and audit mechanisms. This audit log disclosure vulnerability exists within all firmware versions prior to and including HC5.26.1.14.20260207, creating an exploitable condition where unauthorized parties can gain access to sensitive operational data without proper authentication credentials. The flaw specifically affects the camera systems' ability to properly enforce access restrictions on audit logs, which typically contain crucial information about system activities, user accesses, and security events that should remain protected from unauthorized disclosure.
The technical implementation of this vulnerability stems from inadequate access control mechanisms within the camera's firmware architecture, allowing attackers to bypass standard authentication procedures and directly access audit log files. This represents a failure in the principle of least privilege and proper authorization enforcement, where the system does not adequately validate user credentials before granting access to sensitive operational data. The vulnerability can be classified under CWE-284 Access Control Issues, specifically related to improper access control mechanisms that permit unauthorized access to protected resources.
From an operational impact perspective, this vulnerability poses significant risks to security monitoring and incident response capabilities within environments utilizing these camera systems. The disclosure of audit logs can expose sensitive information including user authentication attempts, system configuration changes, network connectivity patterns, and potential security breaches that occurred during the device's operation. This exposure undermines the fundamental purpose of audit logging which is to provide a secure and controlled record of system activities for security analysis, compliance verification, and forensic investigations.
The attack surface for this vulnerability aligns with ATT&CK technique T1070.002 Indicator Removal on Host, as unauthorized access to audit logs enables attackers to potentially cover their tracks by examining what information has been recorded or to manipulate the logging system itself. Additionally, this weakness can be leveraged in conjunction with other techniques such as T1566 Phishing and T1078 Valid Accounts to escalate privileges or conduct reconnaissance activities within the network environment where these cameras are deployed.
Organizations should immediately implement mitigations by upgrading to the patched firmware version HC5.26.1.16.20260207 as recommended by Honeywell, which addresses the access control flaw and restores proper authentication requirements for audit log access. Network segmentation strategies should be employed to isolate camera systems from critical network segments, while additional monitoring should be implemented to detect unauthorized access attempts to these devices. Regular security assessments of surveillance infrastructure should include verification of access controls and logging mechanisms to prevent similar vulnerabilities from persisting in other networked security devices.
The vulnerability highlights the importance of maintaining current firmware versions and implementing proper security controls for networked video surveillance systems, which often operate with minimal oversight and can become prime targets for attackers seeking to compromise security monitoring capabilities. This weakness demonstrates how seemingly minor access control flaws can have significant implications for overall system security posture and underscores the need for comprehensive vulnerability management programs that include regular firmware updates and security assessments of all networked devices.