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CVE-2026-27843— SenseLive X3050 Missing authentication for critical function

Quick assessment

Affected
SenseLive X3050
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.

SenseLive X3050是日本SenseLive公司的一款面向物联网场景的数据采集与环境监测设备。 SenseLive X3050存在访问控制错误漏洞，该漏洞源于Web管理接口允许在缺乏充分身份验证或服务器端验证的情况下修改关键配置参数，可能导致设备持久锁定状态，由于设备缺乏物理重置按钮，恢复需要控制台专用技术访问进行出厂重置，导致网关及其连接的RS-485下游系统完全拒绝服务。

CVSS 9.1 · Critical EPSS 0.81% · P55
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I. Basic Information for CVE-2026-27843

Vulnerability Information
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Vulnerability Title
SenseLive X3050 Missing authentication for critical function
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability exists in SenseLive X3050's web management interface that allows critical configuration parameters to be modified without sufficient authentication or server-side validation. By applying unsupported or disruptive values to recovery mechanisms and network settings, an attacker can induce a persistent lockout state. Because the device lacks a physical reset button, recovery requires specialized technical access via the console to perform a factory reset, resulting in a total denial-of-service for the gateway and its connected RS-485 downstream systems.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/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
SenseLive X3050 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SenseLive X3050是日本SenseLive公司的一款面向物联网场景的数据采集与环境监测设备。 SenseLive X3050存在访问控制错误漏洞，该漏洞源于Web管理接口允许在缺乏充分身份验证或服务器端验证的情况下修改关键配置参数，可能导致设备持久锁定状态，由于设备缺乏物理重置按钮，恢复需要控制台专用技术访问进行出厂重置，导致网关及其连接的RS-485下游系统完全拒绝服务。
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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
SenseLive X3050 V1.523 -

II. Public POCs for CVE-2026-27843

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III. Intelligence Information for CVE-2026-27843

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Vendor Advisories for CVE-2026-27843 (1)

Same Patch Batch · SenseLive · 2026-04-23 · 7 CVEs total

CVE-2026-40630 9.8 CRITICAL SenseLive X3050 Authentication bypass using an alternate path or channel
CVE-2026-35503 9.8 CRITICAL SenseLive X3050 Use of Hard-coded Credentials
CVE-2026-39462 8.1 HIGH SenseLive X3050 Insufficiently Protected Credentials
CVE-2026-40623 8.1 HIGH SenseLive X3050 Missing Authorization
CVE-2026-25720 5.4 MEDIUM SenseLive X3050 Insufficient session expiration
CVE-2026-40431 5.3 MEDIUM SenseLive X3050 Cleartext transmission of sensitive information

IV. Related Vulnerabilities

Same product: X3050
Same vendor: SenseLive
Same weakness: CWE-306

V. Comments for CVE-2026-27843

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