CVE-2019-17600 in IWR 1000N
Summary
by MITRE
Intelbras IWR 1000N 1.6.4 devices allows disclosure of the administrator login name and password because v1/system/user is mishandled.
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Analysis
by VulDB Data Team • 01/08/2024
The vulnerability identified as CVE-2019-17600 affects Intelbras IWR 1000N 1.6.4 wireless routers and is categorized under the weakness type CWE-200 which represents "Information Exposure". This issue stems from improper handling of the v1/system/user API endpoint that exposes administrative credentials to unauthorized users. The device fails to properly authenticate or authorize access to sensitive system information, creating a critical security risk for network administrators who rely on these devices for their network infrastructure.
The technical flaw manifests through the mishandling of the v1/system/user endpoint which should have implemented proper access controls and authentication mechanisms. When an attacker accesses this particular API endpoint, the system responds with administrative login credentials including both username and password in a format that does not require additional authentication. This represents a fundamental failure in the device's security architecture where sensitive information is exposed without proper authorization checks. The vulnerability is particularly concerning because it allows for immediate privilege escalation and full administrative control over the affected device.
Operationally, this vulnerability has severe implications for network security and integrity. An attacker who discovers the exposed credentials can immediately gain administrative access to the router, potentially leading to complete network compromise. The exposed credentials provide unauthorized users with the ability to modify router configurations, implement man-in-the-middle attacks, redirect traffic, or establish backdoors for persistent access. This vulnerability affects both small office and enterprise networks that rely on Intelbras devices, potentially exposing sensitive corporate data and creating attack vectors for broader network infiltration. The impact extends beyond the individual device to potentially compromise the entire network infrastructure that depends on secure routing and network management.
Mitigation strategies for CVE-2019-17600 should include immediate firmware updates from Intelbras to address the credential exposure vulnerability. Network administrators should also implement network segmentation to limit access to administrative interfaces and establish strict firewall rules that restrict access to management ports. Additionally, regular security audits should be conducted to identify similar vulnerabilities in network infrastructure devices, and credential rotation should be enforced to minimize the impact of potential exposure. The vulnerability aligns with ATT&CK technique T1078 which covers legitimate credentials for maintaining access, and represents a critical weakness in network device security that requires immediate attention. Organizations should also consider implementing network monitoring solutions to detect unauthorized access attempts to administrative interfaces and establish incident response procedures to address potential exploitation of this vulnerability.