Medium severityNVD Advisory· Published Jun 17, 2026· Updated Jul 1, 2026

CVE-2026-27870

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Teldat/TLDPH16D2llm-create
Range: 11.02.05.10.02
Teldat/Regesta Smart HD-PLCllm-fuzzy
Range: 11.02.05.10.02

Patches

Vulnerability mechanics

References

support.teldat.com/images/content/docs/Teldat_dm1087_regesta_smart_nessum_series_installation(1).pdfnvd
support.teldat.com/portal/supportcontentnvd
www.hackrtu.com/blog/CNA-CVE-2026-27870/nvd
www.hackrtu.com/blog/CNA-HRTU-0003/nvd
www.teldat.com/es/nvd

News mentions

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cvss	0.260
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000