ASR Falcon_Linux/Kestrel/Lapwing_Linux prior 1536 router/phonebook/pb.c denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.9$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in ASR Falcon_Linux, Kestrel and Lapwing_Linux. This issue affects some unknown processing of the file router/phonebook/pb.c. Performing a manipulation results in denial of service. This vulnerability is known as CVE-2025-49488. Remote exploitation of the attack is possible. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in ASR Falcon_Linux, Kestrel and Lapwing_Linux. This affects some unknown functionality of the file router/phonebook/pb.c. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. The summary by CVE is:

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.

The advisory is shared at asrmicro.com. This vulnerability is uniquely identified as CVE-2025-49488 since 06/06/2025. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

Upgrading to version 1536 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-19607). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 4.9

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CNA Base Score: 5.4
CNA Vector (ASR): 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Falcon_Linux/Kestrel/Lapwing_Linux 1536

Timelineinfo

06/06/2025 🔍
07/01/2025 +25 days 🔍
07/01/2025 +0 days 🔍
12/22/2025 +174 days 🔍

Sourcesinfo

Advisory: asrmicro.com
Status: Confirmed

CVE: CVE-2025-49488 (🔍)
GCVE (CVE): GCVE-0-2025-49488
GCVE (VulDB): GCVE-100-314505
EUVD: 🔍

Entryinfo

Created: 07/01/2025 14:46
Updated: 12/22/2025 20:00
Changes: 07/01/2025 14:46 (63), 07/01/2025 16:09 (1), 07/03/2025 18:36 (1), 12/22/2025 20:00 (11)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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