7.4
HIGH CVSS 3.1
CVE-2026-42800
Deference after null check in ims_client sip
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.

INFO

Published Date :

April 30, 2026, 10:16 a.m.

Last Modified :

April 30, 2026, 10:16 a.m.

Remotely Exploit :

Yes !

Source :

68630edc-a58c-4cbd-9b01-0e130455c8ae
Affected Products

The following products are affected by CVE-2026-42800 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH 68630edc-a58c-4cbd-9b01-0e130455c8ae
Solution
Apply vendor updates to address the NULL pointer dereference vulnerability.
  • Update the ims_client modules.
  • Install the latest ASR1903 software release.
  • Apply relevant security patches from the vendor.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-42800.

URL Resource
https://www.asrmicro.com/en/goods/psirt?cid=44
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-42800 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-42800 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-42800 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-42800 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by 68630edc-a58c-4cbd-9b01-0e130455c8ae

    Apr. 30, 2026

    Action Type Old Value New Value
    Added 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.
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L
    Added CWE CWE-476
    Added Reference https://www.asrmicro.com/en/goods/psirt?cid=44
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.