VulnerabilityAnalyzed
CVE-2026-42799
Out-of-bounds read vulnerability in ASR Kestrel (nr_fw modules) allows Overflow Buffers.
CRITICAL 9.8EPSS 0.28%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.28%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.28% probability · 20th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-125
- Affected
- asrmicro/asr1803 firmware
- Source
- 68630edc-a58c-4cbd-9b01-0e130455c8ae
References
- https://www.asrmicro.com/en/goods/psirt?cid=44Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.