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CVE-2026-3893— Carlson Software VASCO-B GNSS Receiver Missing Authentication for Critical Function

Quick assessment

Affected
Carlson Software VASCO-B GNSS Receiver
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Carlson VASCO-B GNSS Receiver是美国Carlson公司的一款高精度卫星定位接收设备。 Carlson VASCO-B GNSS Receiver存在访问控制错误漏洞，该漏洞源于缺乏身份验证机制，可能导致攻击者直接访问和修改配置及操作功能。

CVSS 9.4 · Critical EPSS 0.37% · P31

Possible ATT&CK Techniques 1 AI

T1078.004 · Cloud Accounts

Affected Version Matrix 2

VendorProduct Version RangeStatus
Carlson Software VASCO-B GNSS Receiver < 1.4.0 affected
1.4.0 unaffected
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I. Basic Information for CVE-2026-3893

Vulnerability Information
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Vulnerability Title
Carlson Software VASCO-B GNSS Receiver Missing Authentication for Critical Function
Source: CVE Program / CVE List V5
Vulnerability Description
The Carlson VASCO-B GNSS Receiver lacks an authentication mechanism, allowing an attacker with network access to directly access and modify its configuration and operational functions without needing credentials.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
Carlson VASCO-B GNSS Receiver 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Carlson VASCO-B GNSS Receiver是美国Carlson公司的一款高精度卫星定位接收设备。 Carlson VASCO-B GNSS Receiver存在访问控制错误漏洞，该漏洞源于缺乏身份验证机制，可能导致攻击者直接访问和修改配置及操作功能。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Shenlong Deep Dive — AI Deep Analysis

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Affected Products

Vendor Product Affected Versions CPE Subscribe
Carlson Software VASCO-B GNSS Receiver 0 ~ 1.4.0 -

II. Public POCs for CVE-2026-3893

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-3893

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Vendor Advisories for CVE-2026-3893 (2)

Vendor Pages for CVE-2026-3893 (1)

IV. Related Vulnerabilities

Same weakness: CWE-306

V. Comments for CVE-2026-3893

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