CVE-2024-27497 in E2000
Summary
by MITRE • 03/01/2024
Linksys E2000 Ver.1.0.06 build 1 is vulnerable to authentication bypass via the position.js file.
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Analysis
by VulDB Data Team • 06/27/2025
The vulnerability identified as CVE-2024-27497 affects the Linksys E2000 router model running firmware version 1.0.06 build 1 and represents a critical authentication bypass flaw that compromises the device's security posture. This issue stems from improper handling of authentication checks within the web interface, specifically through the position.js file which serves as a client-side script for managing user interface elements and navigation within the router's administrative console. The vulnerability allows unauthenticated attackers to bypass the standard login mechanism and gain direct access to the router's administrative functions without requiring valid credentials.
The technical flaw manifests through a weakness in the web application's session management and authentication validation process where the position.js file fails to properly verify user credentials before granting access to privileged administrative functions. This authentication bypass occurs because the script does not adequately enforce authentication checks or validate the user's authorization status before allowing access to sensitive administrative pages. The vulnerability is classified as a CWE-287 - Improper Authentication, which is a fundamental security weakness that allows attackers to assume the identity of legitimate users without proper verification. The flaw demonstrates poor input validation and authentication flow control that violates standard security practices for web-based administrative interfaces.
The operational impact of this vulnerability is severe as it enables attackers to gain complete administrative control over the affected router without requiring any prior knowledge of valid credentials. Once exploited, an attacker can modify network settings, change administrator passwords, configure firewall rules, access network traffic, and potentially establish persistent backdoors within the network infrastructure. This represents a significant risk for enterprise and home networks as the compromised router becomes a potential entry point for further attacks, lateral movement, and data exfiltration. The vulnerability affects the router's core security functions and undermines the trust model that users rely upon when configuring their network devices.
Mitigation strategies for CVE-2024-27497 should prioritize immediate firmware updates from Linksys to address the authentication bypass flaw, as this represents the most effective solution to resolve the underlying vulnerability. Network administrators should also implement additional security controls including disabling remote administrative access when not required, implementing strong access controls through network segmentation, and monitoring for unauthorized access attempts to the router's administrative interface. Organizations should consider deploying network intrusion detection systems to monitor for suspicious activities related to router administration and establish regular security assessments to identify similar vulnerabilities. The ATT&CK framework categorizes this vulnerability under T1078 - Valid Accounts and T1566 - Phishing, as it enables attackers to leverage compromised administrative access for further network infiltration and data compromise activities. Security teams should also ensure that all administrative interfaces are protected with strong authentication mechanisms and that access is restricted to authorized personnel only through proper network access controls and multi-factor authentication where possible.