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Vulnerability record · CVE-2023-49700 · published 30 November 2023

CVE-2023-49700: Asrmicro asr1803 firmware classic buffer overflow vulnerability

AAsrmicro · Asr1803 Firmware

Security best practices violations, a string operation in Streamingmedia will write past the end of fixed-size destination buffer if the source buffer is too large.

7.5 CVSS 3.1 High EPSS 0.38% · top 70.7% CWE-120 · Classic buffer overflow
7.5CVSS 3.1 base score
0.38%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Security best practices violations, a string operation in Streamingmedia will write past the end of fixed-size destination buffer if the source buffer is too large.

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

Affected products

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

References

LinkTags
https://www.asrmicro.com/en/goods/psirt?cid=31 Vendor Advisory
https://www.asrmicro.com/en/goods/psirt?cid=31 Vendor Advisory

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Related vulnerabilities

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

9.8CVE-2026-42799Asrmicro asr1803 firmware out-of-bounds read vulnerabilityOut-of-bounds read vulnerability in ASR Kestrel (nr_fw modules) allows Overflow Buffers. This vulnerability is associated with program files Code/Nr/…EPSS 0.38%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%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-2023-49700), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.