CVE-2026-3893: CWE-306 in Carlson Software VASCO-B GNSS Receiver
The Carlson VASCO-B GNSS Receiver has a critical vulnerability (CVE-2026-3893) due to the absence of any authentication mechanism. This flaw allows an attacker with network access to directly access and modify the device's configuration and operational functions without requiring credentials. The vulnerability is classified under CWE-306 (Missing Authentication for Critical Function). It has a high CVSS score of 9.4, reflecting its critical impact on integrity and availability. No official patch or remediation guidance has been provided yet, and there are no known exploits in the wild at this time.
AI Analysis
Technical Summary
CVE-2026-3893 identifies a critical security vulnerability in the Carlson Software VASCO-B GNSS Receiver where the device lacks authentication controls. This allows unauthenticated network attackers to access and alter the receiver's configuration and operational parameters. The vulnerability is categorized as CWE-306, indicating missing authentication for critical functions. The CVSS v3.1 base score is 9.4, with network attack vector, no privileges or user interaction required, and high impact on integrity and availability. No patch or official remediation level has been disclosed by the vendor as of the publication date.
Potential Impact
An attacker with network access can exploit this vulnerability to modify the GNSS receiver's configuration and operational functions without any authentication. This can lead to unauthorized changes that may disrupt the device's normal operation, potentially causing loss of data integrity and availability. The critical CVSS score reflects the severity of these impacts. There are currently no known exploits in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict network access to the VASCO-B GNSS Receiver to trusted users and networks only. Monitor for any unusual activity related to the device. Avoid exposing the device to untrusted networks.
CVE-2026-3893: CWE-306 in Carlson Software VASCO-B GNSS Receiver
Description
The Carlson VASCO-B GNSS Receiver has a critical vulnerability (CVE-2026-3893) due to the absence of any authentication mechanism. This flaw allows an attacker with network access to directly access and modify the device's configuration and operational functions without requiring credentials. The vulnerability is classified under CWE-306 (Missing Authentication for Critical Function). It has a high CVSS score of 9.4, reflecting its critical impact on integrity and availability. No official patch or remediation guidance has been provided yet, and there are no known exploits in the wild at this time.
CVSS v3.1
Score 9.4critical
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-3893 identifies a critical security vulnerability in the Carlson Software VASCO-B GNSS Receiver where the device lacks authentication controls. This allows unauthenticated network attackers to access and alter the receiver's configuration and operational parameters. The vulnerability is categorized as CWE-306, indicating missing authentication for critical functions. The CVSS v3.1 base score is 9.4, with network attack vector, no privileges or user interaction required, and high impact on integrity and availability. No patch or official remediation level has been disclosed by the vendor as of the publication date.
Potential Impact
An attacker with network access can exploit this vulnerability to modify the GNSS receiver's configuration and operational functions without any authentication. This can lead to unauthorized changes that may disrupt the device's normal operation, potentially causing loss of data integrity and availability. The critical CVSS score reflects the severity of these impacts. There are currently no known exploits in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict network access to the VASCO-B GNSS Receiver to trusted users and networks only. Monitor for any unusual activity related to the device. Avoid exposing the device to untrusted networks.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- icscert
- Date Reserved
- 2026-03-10T16:52:36.791Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69f1649fcbff5d861047eec6
Added to database: 4/29/2026, 1:53:35 AM
Last enriched: 5/6/2026, 2:13:49 AM
Last updated: 6/13/2026, 10:25:01 AM
Views: 39
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