CVE-2025-49490: 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

Resource leak vulnerability in ASR180x in router allows Resource Leak Exposure. This vulnerability is associated with program files router/sms/sms.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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