Vulnerability Description
An attacker with access via network to the Regesta Smart HD-PLC of the provider Teldat (in this case, registration action is required) who has the vulnerable firmware version could inject a specific payload via the parameter "cmdcookie" withing the /upgrade/index.html resulting in to a Cross-Site Scripting (XSS). This issue affects Regesta Smart HD-PLC - TLDPH16D2: 11.02.06.00.02
Related Weaknesses (CWE)
References
- https://support.teldat.com/images/content/docs/Teldat_dm1087_regesta_smart_nessu
- https://support.teldat.com/portal/supportcontent?page=cgs-customer-global-suppor
- https://www.hackrtu.com/blog/CNA-CVE-2026-27867/
- https://www.hackrtu.com/blog/CNA-HRTU-0004/
- https://www.teldat.com/es/
FAQ
What is CVE-2026-27867?
CVE-2026-27867 is a documented vulnerability. An attacker with access via network to the Regesta Smart HD-PLC of the provider Teldat (in this case, registration action is required) who has the vulnerable firmware version could inject a specific p...
How severe is CVE-2026-27867?
CVSS scoring is not yet available for CVE-2026-27867. Check NVD for updates.
Is there a patch for CVE-2026-27867?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.