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VULNERABILITIES

CVE-2026-27867 Details

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

Metrics

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://support.teldat.com/images/content/docs/Teldat_dm1087_regesta_smart_nessum_series_installation(1).pdf HackRTU
https://support.teldat.com/portal/supportcontent?page=cgs-customer-global-support&none=true&language=en-US HackRTU
https://www.hackrtu.com/blog/CNA-CVE-2026-27867/ HackRTU
https://www.hackrtu.com/blog/CNA-HRTU-0004/ HackRTU
https://www.teldat.com/es/ HackRTU

Weakness Enumeration

CWE-IDCWE NameSource
CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')HackRTU

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-27867
NVD Published Date:
Sep 25, 2026
NVD Last Modified:
Sep 25, 2026
Source:
HackRTU
CVE-2026-27867 Details - Not Deferred