Is CVE-2025-49481 in the CISA KEV catalog?

No. CVE-2025-49481 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-49481?

CVE-2025-49481 has a CVSS v3 base score of 5.4 (MEDIUM).

What is the EPSS score for CVE-2025-49481?

CVE-2025-49481 has an EPSS score of 0.23% (14th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-49481?

Upgrade falcon linux to 1536 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2025-49481

MEDIUM

5.4

CVSS v3

NVD

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.

CWE-404

How to fix

Remediation Available

falcon linuxNVD

Affected:< 1536Fixed in:1536CVE-2025-49481derived from NVD

kestrelNVD

Affected:< 1536Fixed in:1536CVE-2025-49481derived from NVD

lapwing linuxNVD

Affected:< 1536Fixed in:1536CVE-2025-49481derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityLow

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L

Exploit Intelligence

0.23%probability of exploitation in 30 days

14thpercentile

Low risk: more likely to be exploited than 14% of all known CVEs.

References

Vendor Advisory1

asrmicro.com

Related Vulnerabilities

Other CWE-404 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2022-44267	Medium	6.5	77%	-	Fix
CVE-2018-8120	High	7.0	74%	KEV + Ransom	-
CVE-2018-8210	High	7.8	25%	-	-
CVE-2018-8639	High	7.8	22%	KEV + Ransom	-
CVE-2023-3206	Medium	5.3	19%	-	-
CVE-2018-8450	High	8.8	16%	-	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-12-22.