NULL Pointer Dereference in ASR1903 by ASR
CVE-2026-42800

7.4HIGH

Key Information:

Vendor

Asr

Status
Lapwing Linux
Vendor
CVE Published:
30 April 2026

What is CVE-2026-42800?

The vulnerability in ASR1903 relates to a NULL pointer dereference within the ASR Lapwing_Linux environment. Specifically, it allows for pointer manipulation in the ims_client modules, leading to potential security risks. This issue is tied to the program files located in sip/utils/src/sipuri.c, which could be exploited if not addressed. Users should prioritize patching their systems to prevent unauthorized access and ensure data integrity.

Affected Version(s)

Lapwing_Linux Linux 0

References

https://www.asrmicro.com/en/goods/psirt?cid=44

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

.