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CVE-2026-42801: CWE-476 NULL pointer dereference in ASR Crane,Falcon

0
High
VulnerabilityCVE-2026-42801cvecve-2026-42801cwe-476
Published: 09/23/2026 (09/23/2026, 09:03:56 UTC)
Source: CVE Database V5
Vendor/Project: ASR
Product: Crane,Falcon

Description

CVE-2026-42801 is a NULL pointer dereference vulnerability in the ASR Crane, Falcon product on Linux, specifically in the as_rrc module. This flaw allows pointer manipulation due to improper handling of NULL pointers in the program file 3g.mod/lib/src/urrsir.c. The vulnerability has a high severity rating with a CVSS score of 7.4, indicating it can impact confidentiality, integrity, and availability. No affected versions or patch information are provided, and no known exploits are reported in the wild.

CVSS v3.1

Score 7.4high

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
Low
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L

Affected software

ASR

Crane,Falcon

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/23/2026, 09:32:38 UTC

Technical Analysis

This vulnerability involves a NULL pointer dereference in the ASR Crane, Falcon product on Linux within the as_rrc module, specifically in the source file 3g.mod/lib/src/urrsir.c. The flaw allows pointer manipulation that can lead to a crash or potentially other impacts on the system's confidentiality, integrity, and availability. The CVSS 3.1 base score is 7.4, reflecting network attack vector, low attack complexity, low privileges required, no user interaction, and impacts on confidentiality, integrity, and availability. No patch or remediation details are provided in the available data.

Potential Impact

Successful exploitation can lead to a denial of service or other impacts affecting confidentiality, integrity, and availability of the affected system. The vulnerability allows an attacker with low privileges to cause a NULL pointer dereference remotely without user interaction.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or patch links are provided, users should monitor ASR vendor communications for updates. Until a fix is available, consider limiting access to the affected component and applying any recommended workarounds from the vendor.

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Technical Details

Data Version
5.2
Assigner Short Name
ASR
Date Reserved
2026-04-30T07:55:02.475Z
Cvss Version
3.1
State
PUBLISHED

Threat ID: 6ab39957f7a7c54106900d83

Added to database: 09/23/2026, 09:18:15 UTC

Last enriched: 09/23/2026, 09:32:38 UTC

Last updated: 09/23/2026, 09:45:40 UTC

Views: 4

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