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 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.
CVSS breakdown
CVSS 4.0
Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
High
User Interaction
Passive
Confidentiality (Vulnerable System)
Low
Integrity (Vulnerable System)
None
Availability (Vulnerable System)
None
Confidentiality (Subsequent System)
None
Integrity (Subsequent System)
None
Availability (Subsequent System)
None
Affected products
- Teldat / Regesta Smart HD-PLC - TLDPH16D211.02.05.10.02 – 11.02.05.10.02
- Teldat / Regesta Smart HD-PLC - TLDPH16D211.02.06.00.02 – 11.02.06.00.02
References
- MISChttps://www.hackrtu.com/blog/CNA-HRTU-0002/
- MISChttps://www.hackrtu.com/blog/CNA-CVE-2026-27870/
- MISChttps://www.teldat.com/es/
- MISChttps://support.teldat.com/images/content/docs/Teldat_dm1087_regesta_smart_nessum_series_installation(1).pdf
- MISChttps://support.teldat.com/portal/supportcontent?page=cgs-customer-global-support&none=true&language=en-US