CVE-2026-42800

Name: CVE-2026-42800
Creator: NVD / NIST
Published: 2026-04-30T10:16:02.203+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 0.24%

Last modified Jun 17, 2026

CVE-2026-42800 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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 estimates a 0.24% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

5.3/10

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

EPSS Probability

0.24%

14.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-476

Affected Software

Vendor	Product	Versions
Asrmicro	Asr1901 Firmware	< 1.225.003
Asrmicro	Asr1903 Firmware	< 1.225.003

References

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

Timeline

Published: Apr 30, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-42800?

How severe is CVE-2026-42800?

CVE-2026-42800 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.24% probability of exploitation in the next 30 days.

How do I fix CVE-2026-42800?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-42800?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST