CVE-2026-27870
CROSS-SITE SCRIPTING (XSS) VIA MALICIOUS FILE UPLOAD ON 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 software could, introduce arbitrary JavaScript by injecting a Cross-site Scripting (XSS) payload into the 'Hostname' field of the configuration file resulting in a XSS in the path /upgrade/query.php?cmd=p+3%3Bversion. This issue affects Regesta Smart HD-PLC - TLDPH16D2: 11.02.05.10.02.
| CWE | CWE-79 |
| Vendor | teldat |
| Product | regesta smart hd-plc - tldph16d2 |
| Published | Jun 17, 2026 |
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Affected Versions
Teldat / Regesta Smart HD-PLC - TLDPH16D2
11.02.05.10.02
References
hackrtu.com: https://www.hackrtu.com/blog/CNA-HRTU-0002/ hackrtu.com: https://www.hackrtu.com/blog/CNA-CVE-2026-27870/ 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