CVE-2022-28507 in Bharti Airtel Routers Hardware BDT-121
Summary
by MITRE • 05/06/2022
Dragon Path Technologies Bharti Airtel Routers Hardware BDT-121 version 1.0 is vulnerable to Cross Site Scripting (XSS) via Dragon path router admin page.
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Analysis
by VulDB Data Team • 05/11/2022
The vulnerability identified as CVE-2022-28507 affects the Dragon Path Technologies Bharti Airtel Routers Hardware BDT-121 version 1.0, representing a critical cross site scripting flaw within the administrative web interface of this network device. This particular router model serves as a gateway for numerous end users and organizations within the telecommunications infrastructure managed by Bharti Airtel, making the security implications particularly severe given the widespread deployment of these devices.
The technical flaw manifests through insufficient input validation and output encoding mechanisms within the router's administrative web portal. Attackers can exploit this weakness by injecting malicious javascript code through various input fields or parameters that are not properly sanitized before being rendered back to the user's browser. The vulnerability specifically resides in the handling of user-supplied data within the web interface, allowing for persistent or reflected cross site scripting attacks that can compromise the integrity of the administrative session and potentially lead to full system compromise.
From an operational perspective, this vulnerability presents significant risks to network security and user privacy. An attacker who successfully exploits this XSS vulnerability could gain unauthorized access to the router's administrative interface, potentially enabling them to modify network configurations, redirect traffic, steal administrative credentials, or establish persistent backdoors within the network infrastructure. The impact extends beyond individual device compromise to affect the broader network ecosystem that relies on these routers for connectivity and security services.
The vulnerability aligns with CWE-79, which specifically addresses cross site scripting flaws in web applications, and demonstrates the importance of implementing proper input validation and output encoding as outlined in the OWASP Top Ten security principles. From an attack framework perspective, this vulnerability could be leveraged as part of a broader attack chain within the MITRE ATT&CK framework, potentially supporting techniques such as credential access through session hijacking or privilege escalation within network infrastructure.
Organizations should immediately implement mitigation strategies including firmware updates from Bharti Airtel if available, network segmentation to isolate affected devices, and enhanced monitoring of administrative access logs for suspicious activity. Additional protective measures should include implementing web application firewalls, restricting administrative access to trusted networks only, and conducting comprehensive security assessments of all network infrastructure devices to identify similar vulnerabilities. The vulnerability underscores the critical need for regular security audits and prompt patch management within telecommunications infrastructure to prevent exploitation of such fundamental security flaws.