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CVE-2025-49488

16
FAUCET Score

CVE-2025-49488 describes an Improper Resource Shutdown or Release vulnerability (CWE-404) in the router components of ASR180x and ASR190x devices, specifically affecting Falcon_Linux, Kestrel, and Lapwing_Linux versions prior to v1536. This flaw, located in router/phonebook/pb.c, can lead to Resource Leak Exposure. Rated as MEDIUM severity with a CVSS score of 5.3 (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L), the vulnerability can be exploited remotely with low attack complexity, requiring no user interaction or privileges, and primarily impacts availability. Currently, there is no evidence of active exploitation, and no public exploit code is available on platforms like Metasploit, Nuclei, or ExploitDB. Community discussion and media coverage for this CVE are minimal, aligning with the typical low attention for most vulnerabilities.

Impacted Technologies

VendorProductVersion(s)CPE
< 1536CPE matchmatch criteria
cpe:2.3:o:asrmicro:falcon_linux:*:*:*:*:*:*:*:*
< 1536CPE matchmatch criteria
cpe:2.3:o:asrmicro:kestrel:*:*:*:*:*:*:*:*
< 1536CPE matchmatch criteria
cpe:2.3:o:asrmicro:lapwing_linux:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.4MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
LOW
Exploitability Score
2.8
Impact Score
2.5
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.24%
Probability of exploitation in next 30 days
EPSS Percentile
15.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0024 is in the 6th percentile among its peer group of 23,701 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

asrmicro.com / en/goods/psirt
Vendor Advisory