Cyber Resilience

CVE-2025-49488

Medium

Published: 01 July 2025

Published
01 July 2025
Modified
22 December 2025
KEV Added
Patch
CVSS Score v3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L
EPSS Score 0.0029 52.4th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-49488 is a medium-severity Improper Resource Shutdown or Release (CWE-404) vulnerability in Asrmicro Falcon Linux. Its CVSS base score is 5.4 (Medium).

Operationally, ranked in the top 47.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Improper Resource Shutdown or Release vulnerability in ASR180x 、ASR190x in router components allows Resource Leak Exposure. This vulnerability is associated with program files router/phonebook/pb.c. This issue affects Falcon_Linux、Kestrel、Lapwing_Linux: before v1536.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

asrmicro
falcon linux
≤ 1536
asrmicro
kestrel
≤ 1536
asrmicro
lapwing linux
≤ 1536

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-404

Contingency plan updates incorporate proper resource shutdown and release steps, preventing attackers from leveraging incomplete cleanup during recovery scenarios.

addresses: CWE-404

Mandates explicit shutdown of the network connection at session conclusion, directly addressing improper resource release.

addresses: CWE-404

Requires proper shutdown/release procedures that include overwriting or isolating data to block unintended transfer via reused system objects.

addresses: CWE-404

Procedures can mandate orderly shutdown or release of resources when failures occur, preventing improper resource handling after a fault.

References