by Kastro
Paper/Archive/CVE-2026-42799

CVE-2026-42799

ASR Kestrel — Out-of-bounds read in ulp

EPSS 0.3%CVSS 9.8
critical.is priorityof 100
33
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 20.1.201 × 204.0No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

Out-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.

Affected

ProductAffectedFixed inSource
Kestrel< 2026/02/102026/02/10CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
ASR (CNA)7.4CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: partial

References

refasrmicro.com/en/goods/psirt?cid=44