Medium severityNVD Advisory· Published Sep 25, 2026

CVE-2026-27867

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 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

AI Insight

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

Affected products

Teldat/Regesta Smart HD-PLCllm-fuzzy
Range: 11.02.06.00.02
Teldat/TLDPH16D2llm-fuzzy
Range: 11.02.06.00.02

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-2026-27867/nvd
www.hackrtu.com/blog/CNA-HRTU-0004/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