CVE-2026-27867
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
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