🔐 CVE Alert

CVE-2026-27867

UNKNOWN 0.0

CROSS-SITE SCRIPTING (XSS) VIA THE CMDCOOKIE PARAMETER REGESTA SMART HD-PLC OF TELDAT

CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th

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

CWE CWE-79
Vendor teldat
Product regesta smart hd-plc - tldph16d2
Published Sep 25, 2026
Last Updated Sep 25, 2026
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Affected Versions

Teldat / Regesta Smart HD-PLC - TLDPH16D2
11.02.06.00.02

References

NVD ↗ CVE.org ↗ EPSS Data ↗
hackrtu.com: https://www.hackrtu.com/blog/CNA-HRTU-0004/ hackrtu.com: https://www.hackrtu.com/blog/CNA-CVE-2026-27867/ teldat.com: https://www.teldat.com/es/ support.teldat.com: https://support.teldat.com/images/content/docs/Teldat_dm1087_regesta_smart_nessum_series_installation(1).pdf support.teldat.com: https://support.teldat.com/portal/supportcontent?page=cgs-customer-global-support&none=true&language=en-US

Credits

Aarón Flecha Menéndez Víctor Bello Cuevas