What’s Vulnerable › Vulnerabilities

CVE-2025-49481: Resource leaks in router

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-07-01 · updated 2026-06-17
• Weakness: CWE-404

Description

Improper Resource Shutdown or Release vulnerability in ASR180x 、ASR190x in router modules allows Resource Leak Exposure. This vulnerability is associated with program files router/phonebook/pbwork-queue.C. This issue affects Falcon_Linux、Kestrel、Lapwing_Linux: before v1536.

Affected products

• Asrmicro Falcon Linux: before 1536 — fixed in 1536
• ASR Kestrel: before 1536 — fixed in 1536
• ASR Lapwing_Linux: before 1536 — fixed in 1536

How to fix

Upgrade to a fixed version: Asrmicro Falcon Linux 1536; ASR Kestrel 1536; ASR Lapwing_Linux 1536. Check the vendor advisory for mitigations.

References

• https://www.asrmicro.com/en/goods/psirt?cid=40

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