SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2026-42800

NULL pointer dereference vulnerability in ASR1903 in ASR Lapwing_Linux on Linux (ims_client modules) allows Pointer Manipulation.

MEDIUM 5.3EPSS 0.24%

Does this matter?

Lower severity and a low EPSS score (0.24%). Track it; it rarely justifies an emergency change on its own.

Description

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.

CVSS 3.1
5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS
0.24% probability · 15th percentile
CISA KEV
Not listed
Weakness
CWE-476
Affected
asrmicro/asr1901 firmware · asrmicro/asr1903 firmware
Source
68630edc-a58c-4cbd-9b01-0e130455c8ae

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.