CVE-2026-40623 Raw CVE debrief

Who should care

Operators and administrators of SenseLive X3050 V1.523 devices, especially OT/ICS teams, network and systems administrators, and anyone responsible for access to the device’s web management interface.

Technical summary

According to the CISA CSAF advisory ICSA-26-111-12, the issue has CVSS 3.1 vector AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H and a base score of 8.1 (High). The web management interface does not adequately enforce constraints on sensitive configuration functions, allowing unsupported or unsafe parameter values to be applied to critical network and recovery settings. The result is integrity and availability impact, with a risk of device instability or persistent unavailability.

Defensive priority

High. This is a remotely reachable management-plane issue with integrity and availability impact on an ICS device, so exposed or widely accessible X3050 management interfaces should be reviewed promptly.

Recommended defensive actions

• Inventory all SenseLive X3050 V1.523 devices and confirm which ones expose the web management interface.
• Restrict access to the management interface to trusted administrative networks and least-privilege users.
• Review and validate current configuration values for IP addressing, watchdog timers, reconnect intervals, and service ports against known-good baselines.
• Back up current configurations and verify recovery procedures so unsafe settings can be rolled back quickly if needed.
• Monitor for unauthorized or unexpected configuration changes on management interfaces and related network services.
• Follow CISA ICS recommended practices and contact SenseLive for product-specific guidance using the vendor contact path provided in the advisory.

Evidence notes

Primary facts come from the CISA CSAF advisory for ICSA-26-111-12, published 2026-04-21, and its referenced CVE record. The supplied advisory text states that the X3050 web management interface can accept unsupported or unsafe values for sensitive settings and that these changes may destabilize the device or render it persistently unavailable. The source also lists CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H, includes an SSVCv2 note of E:N/A:N/2026-04-20T06:00:00.000000Z, and says SenseLive did not respond to CISA’s coordination requests. The supplied data does not include a KEV entry.

Official resources