CVE-2026-6274 in Redline WR3200
Summary
by MITRE • 06/05/2026
Improper Authentication, Missing authentication for critical function, Weak Authentication vulnerability in DTS Electronics Industry and Trade Ltd. Co. Redline WR3200 allows Accessing Functionality Not Properly Constrained by ACLs.
This issue affects Redline WR3200: from 7.1.3 before 7.1.8.
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Analysis
by VulDB Data Team • 06/05/2026
The vulnerability in question represents a critical weakness in the authentication mechanisms of DTS Electronics Industry and Trade Ltd. Co. Redline WR3200 network device firmware version 7.1.3 through 7.1.7. This improper authentication flaw falls under the category of missing authentication for critical functions, where essential system capabilities can be accessed without proper verification of user credentials or authorization levels. The vulnerability stems from inadequate access control list implementations that fail to properly constrain functionality access, allowing unauthorized parties to exploit critical system features through the absence of robust authentication checks.
The technical nature of this weakness creates a significant security gap in the device's access control architecture, specifically within the authentication framework that should protect critical functions. According to CWE classification, this vulnerability maps to CWE-287 which addresses improper authentication issues in software systems. The flaw manifests when the device fails to validate user identities before granting access to privileged functionalities, creating a pathway for malicious actors to bypass standard authentication protocols entirely. This weakness is particularly dangerous because it affects core system operations that should be restricted to authorized administrators only, yet remain accessible through the absence of proper authentication enforcement.
The operational impact of this vulnerability extends beyond simple unauthorized access to encompass potential complete system compromise and unauthorized control over critical network infrastructure. Attackers exploiting this weakness could gain administrative privileges to modify system configurations, access sensitive data, or disrupt network operations without detection. The vulnerability affects a specific range of firmware versions, indicating that the issue was introduced in version 7.1.3 and remained unresolved until the 7.1.8 release, suggesting a window of opportunity for exploitation that could have been extended across multiple installations. This represents a significant risk to industrial control systems and network infrastructure where unauthorized access could lead to operational disruptions or security breaches.
Organizations utilizing the Redline WR3200 device should immediately implement firmware updates to version 7.1.8 or later to remediate this vulnerability. The mitigation strategy must include comprehensive network monitoring to detect unauthorized access attempts and proper access control configuration to ensure that only authorized personnel can access critical system functions. Additionally, implementing network segmentation and regular security assessments can help reduce the attack surface and prevent exploitation of this authentication weakness. This vulnerability aligns with ATT&CK technique T1078 which addresses valid accounts usage and privilege escalation through weak authentication mechanisms. Organizations should also consider implementing multi-factor authentication where possible and conducting regular vulnerability assessments to identify similar authentication weaknesses in their network infrastructure. The remediation process should include thorough testing of updated firmware to ensure that all authentication controls function properly and that no regression issues have been introduced during the update process.