Critical Vulnerability in Carlson VASCO-B GNSS Receiver (CVE-2026-3893)
In April 2026, a critical vulnerability (CVE-2026-3893) was identified in Carlson Software's VASCO-B GNSS Receiver versions prior to 1.4.0. This flaw, due to missing authentication mechanisms, allows remote attackers to alter system configurations and disrupt device operations without requiring credentials. The vulnerability has a CVSS score of 9.4, indicating its severity, and primarily affects the Critical Manufacturing sector globally. ([socdefenders.ai](https://www.socdefenders.ai/item/3f9fa938-de90-494a-99b5-bc0ba05499a8?utm_source=openai)) The incident underscores the importance of securing GNSS receivers, which are integral to infrastructure operations. Organizations are advised to update to version 1.4.0 or later, minimize network exposure of control systems, implement firewalls, and use secure remote access methods like VPNs to mitigate potential risks. ([socdefenders.ai](https://www.socdefenders.ai/item/3f9fa938-de90-494a-99b5-bc0ba05499a8?utm_source=openai))
Kill Chain