What is CVE-2026-42800?

CVE-2026-42800 is a high-severity vulnerability in Asr Lapwing_linux, classified under NULL Pointer Dereference. CVSS score: 7.4/10. Published 2026-04-30.

How severe is CVE-2026-42800?

High severity. CVSS v3 base score is 7.4 out of 10.

NULL pointer dereference in Asr Lapwing_linux

CVE-2026-42800

NULL pointer dereference vulnerability in ASR1903 in ASR Lapwing_Linux on Linux (ims_client modules) allows Pointer Manipulation. This vulnerability is associated with program files sip/utils/src/sipuri.c.

EPSS: 0.000 (4.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L.

Affected products

Asr Lapwing_linux — versions 0
Asrmicro Asr1901
Asrmicro Asr1901_firmware
Asrmicro Asr1903
Asrmicro Asr1903_firmware

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

68630edc-a58c-4cbd-9b01-0e130455c8ae (Vendor Advisory)

Frequently asked questions

What is CVE-2026-42800?: CVE-2026-42800 is a high-severity vulnerability in Asr Lapwing_linux, classified under NULL Pointer Dereference. CVSS score: 7.4/10. Published 2026-04-30.
How severe is CVE-2026-42800?: High severity. CVSS v3 base score is 7.4 out of 10.