PT-2026-50258 · Teldats · Regesta Smart Hd-Plc - Tldph16D2

Published 2026-06-17 · Updated 2026-06-17 · CVE-2026-27870

Mitre

CVSS v4.0

4.8

Medium

Base vector

AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

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.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-27870

Affected Products

Regesta Smart Hd-Plc - Tldph16D2

References · 5

• https://support.teldat.com/portal/supportcontent?page=cgs-customer-global-support&none=true&language=en-US · Patch
• https://hackrtu.com/blog/CNA-CVE-2026-27870 · Patch
• https://hackrtu.com/blog/CNA-HRTU-0002 · Patch
• https://support.teldat.com/images/content/docs/Teldat_dm1087_regesta_smart_nessum_series_installation(1).pdf · Note
• https://teldat.com/es · Note