Out-of-Bounds Read Vulnerability in ASR1903 and ASR3901 by ASR Micro
CVE-2025-13735

7.4HIGH

Key Information:

Vendor

Asr

Status
Lapwing Linux
Vendor
CVE Published:
26 November 2025

What is CVE-2025-13735?

An out-of-bounds read vulnerability exists in the ASR1903 and ASR3901 devices running ASR Lapwing_Linux due to improper handling of memory access in the nr_fw modules, particularly within the program files located at Code/nr_fw/DLP/src/NrCgi.C. This flaw can potentially expose sensitive data and lead to unauthorized information leakage if exploited. The issue is present in versions prior to the specified timeframe of November 26, 2025.

Affected Version(s)

Lapwing_Linux Linux 0 < 2025/11/26

References

https://www.asrmicro.com/en/goods/psirt?cid=41

CVSS V3.1

Score:
7.4
Severity:
HIGH
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.