CVE-2015-7792 in CG-WLBARGS
Summary
by MITRE
Corega CG-WLBARGS devices allow remote attackers to perform administrative operations via unspecified vectors.
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Analysis
by VulDB Data Team • 05/26/2018
The CVE-2015-7792 vulnerability affects Corega CG-WLBARGS wireless networking devices, representing a critical security flaw that enables remote attackers to execute administrative operations without proper authentication. This vulnerability stems from insufficient access controls and authentication mechanisms within the device firmware, creating a pathway for unauthorized users to gain elevated privileges and control over the network infrastructure. The unspecified nature of the attack vectors suggests multiple potential entry points that could be exploited through various network protocols or administrative interfaces.
The technical implementation of this vulnerability likely involves weak session management, improper input validation, or insecure direct object references within the device's web administration interface. Attackers can potentially exploit this flaw by crafting malicious requests that bypass standard authentication procedures, allowing them to access administrative functions such as configuration changes, firmware updates, user management, and network parameter modifications. The vulnerability exists across multiple device models and firmware versions, making it particularly dangerous for organizations relying on these networking devices for their infrastructure.
From an operational impact perspective, this vulnerability creates significant risks for network security and business continuity. Remote attackers who successfully exploit CVE-2015-7792 can gain complete administrative control over affected devices, potentially leading to network disruption, data interception, unauthorized access to connected systems, and serving as a foothold for broader network infiltration. The remote nature of the attack means that adversaries do not require physical access to the devices, making detection and prevention more challenging. Organizations may face regulatory compliance issues and potential liability if their network infrastructure becomes compromised through this vulnerability.
Security mitigations for CVE-2015-7792 should include immediate firmware updates from Corega, network segmentation to isolate affected devices, implementation of network monitoring solutions to detect anomalous administrative access patterns, and regular security assessments of network infrastructure. Organizations should also consider disabling unnecessary administrative services, implementing strong access controls, and establishing network intrusion detection systems to monitor for suspicious activities. The vulnerability aligns with CWE-284, which addresses improper access control, and maps to attack techniques in the MITRE ATT&CK framework under privilege escalation and lateral movement tactics. Regular vulnerability scanning and network security audits are essential to prevent exploitation of similar authentication bypass vulnerabilities in network infrastructure devices.