CVE-2026-42799
criticalOut-of-bounds read vulnerability in ASR Kestrel (nr_fw modules) allows Overflow Buffers.
Vendor / product: Asrmicro — asr1803 firmware
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
9.8
9.8 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Severity source: NVD CVSS v3.1 (nvd@nist.gov)
Timeline (UTC)
Published: 2026-04-30 09:16
Modified: 2026-10-26 21:10
NVD status: Analyzed
Last synced 2 days ago
Verified against the source API 2026-10-27 07:07 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
asrmicro / asr1803_firmware <1.216.002
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
Vendor advisory: https://www.asrmicro.com/en/goods/psirt?cid=44
References
- https://www.asrmicro.com/en/goods/psirt?cid=44 68630edc-a58c-4cbd-9b01-0e130455c8ae
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 07:07 UTC · record ↗