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Vulnerability record · CVE-2026-42799 · published 30 April 2026

CVE-2026-42799: Asrmicro asr1803 firmware out-of-bounds read vulnerability

AAsrmicro · 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.

9.8 CVSS 3.1 Critical EPSS 0.38% · top 71.2% CWE-125 · Out-of-bounds read
9.8CVSS 3.1 base score
0.38%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2023-49701Asrmicro asr1803 firmware memory buffer overflow vulnerabilityMemory Corruption in SIM management while USIMPhase2initEPSS 0.49%8.0CVE-2024-32631Asrmicro asr3602 firmware out-of-bounds read vulnerabilityOut-of-Bounds read in ciCCIOTOPT in ASR180X will cause incorrect computations.EPSS 0.33%7.8CVE-2023-49699Asrmicro asr1806 firmware memory buffer overflow vulnerabilityMemory Corruption in IMS while calling VoLTE Streamingmedia InterfaceEPSS 0.19%7.5CVE-2023-49700Asrmicro asr1803 firmware classic buffer overflow vulnerabilitySecurity best practices violations, a string operation in Streamingmedia will write past the end of fixed-size destination buffer if the source buffe…EPSS 0.38%6.6CVE-2024-32632Asrmicro asr1803sc firmware vulnerabilityA value in ATCMD will be misinterpreted by printf, causing incorrect output and possibly out-of-bounds memory accessEPSS 0.23%6.1CVE-2024-32634Asrmicro asr3603 firmware vulnerabilityIn huge memory get unmapped area check, code can never be reached because of a logical contradiction.EPSS 0.27%5.8CVE-2024-32625Asrmicro asr1806 firmware vulnerabilityIn OffloadAMRWriter, a scalar field is not initialized so will contain an arbitrary value left over from earlier computationsEPSS 0.42%4.0CVE-2024-32633Asrmicro asr1803sc firmware vulnerabilityAn unsigned value can never be negative, so eMMC full disk test will always evaluate the same way.EPSS 0.23%

Source: NIST National Vulnerability Database (record CVE-2026-42799), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.