6.9
MEDIUM CVSS 4.0
CVE-2026-27868
PUBLICATION OF SENSITIVE INFORMATION ON REGESTA SMART HD-PLC OF TELDAT
Description

An attacker with access via network to the Regesta Smart HD-PLC of the provider Teldat (in this case, NO registration action is required) who has the vulnerable software could obtain privilege information by using the command Version via the path: /upgrade/query.php?cmd=p+3&3Bversion resulting in a information disclosure. This issue affects Regesta Smart HD-PLC - TLDPH16D2: 11.02.05.10.02.

INFO

Published Date :

June 17, 2026, 1:20 p.m.

Last Modified :

July 1, 2026, 12:16 p.m.

Remotely Exploit :

Yes !

Source :

ffb98d57-deaa-4918-a669-5225ccc13e39
Affected Products

The following products are affected by CVE-2026-27868 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Teldat regesta_smart_hd-plc_-_tldph16d2
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 134c704f-9b21-4f2e-91b3-4a467353bcc0
CVSS 4.0 MEDIUM ffb98d57-deaa-4918-a669-5225ccc13e39
CVSS 4.0 MEDIUM ffb98d57-deaa-4918-a669-5225ccc13e39
Solution
Limit access to the upgrade interface and remove the version command.
  • Restrict network access to the upgrade interface.
  • Remove or disable the version command functionality.
  • Apply any available software updates from the vendor.
References to Advisories, Solutions, and Tools
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-27868 is associated with the following CWEs:

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-27868 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-27868 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by ffb98d57-deaa-4918-a669-5225ccc13e39

    Jul. 01, 2026

    Action Type Old Value New Value
    Added Reference https://www.hackrtu.com/blog/CNA-HRTU-0003/
    Removed Reference https://www.hackrtu.com/blog/CNA-HRTU-0002/
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jun. 17, 2026

    Action Type Old Value New Value
    Added SSVC {'id': 'CVE-2026-27868', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'yes'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-06-17T12:48:11.401061Z'}
  • New CVE Received by ffb98d57-deaa-4918-a669-5225ccc13e39

    Jun. 17, 2026

    Action Type Old Value New Value
    Added Affected [{'vendor': 'Teldat', 'product': 'Regesta Smart HD-PLC - TLDPH16D2', 'versions': [{'status': 'affected', 'version': '11.02.05.10.02'}, {'status': 'unaffected', 'version': '11.02.06.00.02'}], 'defaultStatus': 'unknown'}]
    Added Description An attacker with access via network to the Regesta Smart HD-PLC of the provider Teldat (in this case, NO registration action is required) who has the vulnerable software could obtain privilege information by using the command Version via the path: /upgrade/query.php?cmd=p+3&3Bversion resulting in a information disclosure. This issue affects Regesta Smart HD-PLC - TLDPH16D2: 11.02.05.10.02.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CWE CWE-201
    Added Reference https://support.teldat.com/images/content/docs/Teldat_dm1087_regesta_smart_nessum_series_installation(1).pdf
    Added Reference https://support.teldat.com/portal/supportcontent?page=cgs-customer-global-support&none=true&language=en-US
    Added Reference https://www.hackrtu.com/blog/CNA-CVE-2026-27868/
    Added Reference https://www.hackrtu.com/blog/CNA-HRTU-0002/
    Added Reference https://www.teldat.com/es/
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.