How to Fix CVE-2026-40623: X3050 (Bundle Sibling)

By Sai Kiran Pandrala

Last verified: 2026-05-25

CVE-2026-40623 is a sibling vulnerability in the same vendor advisory as CVE-2026-25720. Applying the patched build named in the primary write-up closes this CVE as well.

What's different about CVE-2026-40623?

A vulnerability in SenseLive X3050's web management interface allows critical system and network configuration parameters to be modified without sufficient validation and safety controls. Due to inadequate enforcement of constraints on sensitive functions, parameters such as IP addressing, watchdog timers, reconnect intervals, and service ports can be set to unsupported or unsafe values. These configuration changes directly affect core device behaviour and recovery mechanisms.

The technical impact and remediation are identical to the primary CVE in the bundle. The same vendor patch closes both.

How to fix CVE-2026-40623

Apply the patched build per the primary write-up: How to Fix CVE-2026-25720.

The patch installation procedure, verification commands, and interim mitigations are documented there. Reusing one runbook keeps the rollout consistent across the bundle.

Frequently asked questions

Is CVE-2026-40623 fixed by the same patch as CVE-2026-25720?

Yes. CVE-2026-40623 ships in the same vendor advisory as CVE-2026-25720. Applying the patched build named in the primary write-up closes both.

What is the CVSS score for CVE-2026-40623?

The CVSS base score is 7.2 (High).

Is it being exploited?

It is not currently listed in CISA KEV.

References

• Official vendor advisory: https://www.cisa.gov/news-events/ics-advisories/icsa-26-111-12
• NVD entry: https://nvd.nist.gov/vuln/detail/CVE-2026-40623
• CISA KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog
• Primary write-up: How to Fix CVE-2026-25720

*Part of the X3050 bundle. Full procedure at CVE-2026-25720.*