Out-of-bounds read in ulp

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Summary

CVECVE-2026-42799
StatePUBLISHED
AssignerASR
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-30 09:16:03 UTC
Updated2026-05-05 02:53:31 UTC
DescriptionOut-of-bounds read vulnerability in ASR Kestrel (nr_fw modules) allows Overflow Buffers. This vulnerability is associated with program files Code/Nr/nr_fw/RA/src/NrPwrCtrl.C. This issue affects Kestrel: before 2026/02/10.

Risk And Classification

Primary CVSS: v3.1 9.8 CRITICAL from [email protected]

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

EPSS: 0.000430000 probability, percentile 0.127500000 (date 2026-05-05)

Problem Types: CWE-125 | CWE-125 CWE-125 Out-of-bounds read

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.168630edc-a58c-4cbd-9b01-0e130455c8aeSecondary7.4HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L
3.1CNACVSS7.4HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Hardware Asrmicro Asr1803 - All All All
Operating System Asrmicro Asr1803 Firmware All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA ASR Kestrel affected 2026/02/10 date Not specified

References

ReferenceSourceLinkTags
www.asrmicro.com/en/goods/psirt 68630edc-a58c-4cbd-9b01-0e130455c8ae www.asrmicro.com Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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