How to Fix CVE-2026-40431: X3050 (Bundle Sibling)
By Sai Kiran Pandrala
Last verified: 2026-05-25
CVE-2026-40431 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.
| Severity | CVSS 6.9 - Medium |
|---|---|
| Actively exploited? | Not currently in CISA KEV |
| Affected | Same as the bundle - see CVE-2026-25720 |
| Fixed in | Same patched build as CVE-2026-25720 (See vendor advisory) |
| Type (CWE) | CWE-319: CWE-319 Cleartext transmission of sensitive information |
What's different about CVE-2026-40431?
A vulnerability exists in SenseLive X3050’s web management interface due to its reliance on unencrypted HTTP for all administrative communication. Because management traffic, including authentication attempts and configuration data, is transmitted in cleartext, an attacker with access to the same network segment could intercept or observe sensitive operational information.
The technical impact and remediation are identical to the primary CVE in the bundle. The same vendor patch closes both.
How to fix CVE-2026-40431
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-2026-40431 fixed by the same patch as CVE-2026-25720?
Yes. CVE-2026-40431 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-2026-40431?
The CVSS base score is 6.9 (Medium).
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-2026-40431
- 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.*