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
Published: 2026-09-25
Score: 4.8 Medium
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

Vendor Solution

The provider has implemented the new version 11.02.06.00.03 which solves the security problems detected in the affected version. The end user has to download the new version in the Teldat - Client Support Portal and implement it in the device ( https://support.teldat.com/portal/supportcontent?page=cgs-customer-global-support&none=true&language=en-US ).

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

History

Fri, 25 Sep 2026 11:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 25 Sep 2026 10:45:00 +0000

Type Values Removed Values Added
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
Title CROSS-SITE SCRIPTING (XSS) VIA THE CMDCOOKIE PARAMETER REGESTA SMART HD-PLC OF TELDAT
First Time appeared Teldat
Teldat regesta Smart Hd-plc - Tldph16d2
Weaknesses CWE-79
CPEs cpe:2.3:a:teldat:regesta_smart_hd-plc_-_tldph16d2:11.02.06.00.02:*:*:*:*:*:*:*
cpe:2.3:a:teldat:regesta_smart_hd-plc_-_tldph16d2:11.02.06.00.03:*:*:*:*:*:*:*
Vendors & Products Teldat
Teldat regesta Smart Hd-plc - Tldph16d2
References
Metrics cvssV4_0

{'score': 4.8, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N'}


Subscriptions

Teldat Regesta Smart Hd-plc - Tldph16d2
cve-icon MITRE

Status: PUBLISHED

Assigner: HackRTU

Published:

Updated: 2026-09-25T10:43:05.972Z

Reserved: 2026-02-24T08:59:28.139Z

Link: CVE-2026-27867

cve-icon Vulnrichment

Updated: 2026-09-25T10:43:01.692Z

cve-icon NVD

Status : Received

Published: 2026-09-25T11:17:01.203

Modified: 2026-09-25T11:17:01.203

Link: CVE-2026-27867

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-25T13:00:15Z

Weaknesses
  • CWE-79

    Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')