Resource Leak Exposure in ASR180x and ASR190x Routers from Cisco

CVE-2025-49488

What is CVE-2025-49488?

Cisco ASR180x and ASR190x routers are susceptible to a vulnerability characterized by improper resource shutdown or release. This issue permits resource leak exposure, which may lead to unauthorized access or degradation of service in affected systems. The vulnerability is related to program files in router components, specifically router/phonebook/pb.c, and impacts Falcon_Linux, Kestrel, and Lapwing_Linux versions prior to v1536. It is crucial for users of these routers to assess their configurations and implement appropriate security measures to mitigate potential risks.

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