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Vulnerability record · CVE-2026-40620 · published 24 April 2026

CVE-2026-40620: Senselive x3500 firmware missing authentication for critical function vulnerability

Senselive · X3500 Firmware

A vulnerability in SenseLive X3050’s embedded management service allows full administrative control to be established without any form of authentication or authorization on the SenseLive config application. The service accepts management connections from any reachable host, enabling unrestricted modification of critical configuration parameters, operational modes, and device state through a vendor-supplied or compatible client.

9.3 CVSS 4.0 Critical EPSS 0.83% · top 44.1% CWE-306 · Missing authentication for critical function
9.3CVSS 4.0 base score
0.83%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

Description

A vulnerability in SenseLive X3050’s embedded management service allows full administrative control to be established without any form of authentication or authorization on the SenseLive config application. The service accepts management connections from any reachable host, enabling unrestricted modification of critical configuration parameters, operational modes, and device state through a vendor-supplied or compatible client.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-111-12.json Third Party Advisory
https://senselive.io/contact Product
https://www.cisa.gov/news-events/ics-advisories/icsa-26-111-12 US Government Resource

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.3CVE-2026-40630Senselive x3500 firmware authentication bypass via alternate path vulnerabilityA vulnerability in  SenseLive X3050’s web management interface allows unauthorized access to certain configuration endpoints due to improper access c…EPSS 0.89%9.3CVE-2026-35503Senselive x3500 firmware hard-coded credentials vulnerabilityA vulnerability in SenseLive X3050’s web management interface allows authentication logic to be performed entirely on the client side, relying on har…EPSS 0.84%9.3CVE-2026-39462Senselive x3500 firmware insufficiently protected credentials vulnerabilityA vulnerability exists in SenseLive X3050’s web management interface in which password updates are not reliably applied due to improper handling of c…EPSS 0.69%9.2CVE-2026-27843Senselive x3500 firmware missing authentication for critical function vulnerabilityA vulnerability exists in SenseLive X3050's web management interface that allows critical configuration parameters to be modified without sufficient …EPSS 0.81%8.7CVE-2026-35064Senselive x3500 firmware missing authentication for critical function vulnerabilityA vulnerability in SenseLive X3050’s management ecosystem allows unauthenticated discovery of deployed units through the vendor’s management protocol…EPSS 0.63%8.4CVE-2026-27841Senselive x3500 firmware cross-site request forgery vulnerabilityA vulnerability in SenseLive X3050's web management interface allows state-changing operations to be triggered without proper Cross-Site Request Forg…EPSS 0.25%7.2CVE-2026-40623Senselive x3500 firmware missing authorization vulnerabilityA vulnerability in SenseLive X3050's web management interface allows critical system and network configuration parameters to be modified without suff…EPSS 0.59%6.9CVE-2026-40431Senselive x3500 firmware cleartext transmission vulnerabilityA vulnerability exists in SenseLive X3050’s web management interface due to its reliance on unencrypted HTTP for all administrative communication. Be…EPSS 0.31%

Source: NIST National Vulnerability Database (record CVE-2026-40620), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.