CVE-2026-27869 (GCVE-0-2026-27869)

Vulnerability from cvelistv5 – Published: 2026-06-17 08:13 – Updated: 2026-07-01 11:17
VLAI
Title
WEB SERVICE (HTTP) DENIAL OF SERVICE VIA SLOW HEADERS ON REGESTA SMART HD-PLC OF TELDAT
Summary
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, with a Slow Loris attack, cause Denial of Service (DoS) on the web interface of the device. This issue affects Regesta Smart HD-PLC - TLDPH16D2: 11.02.05.10.02.
Severity
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-17 14:20 UTC
CWE
  • CWE-770 - Allocation of resources without limits or throttling
Assigner
HackRTU CNA under the INCIBE root
CNA scorecard – unranked: 4 records in the last 180 days, 10 needed details
References
Impacted products
Vendor Product Version CPE status
Teldat Regesta Smart HD-PLC - TLDPH16D2 Affected: 11.02.05.10.02
Unaffected: 11.02.06.00.02
    cpe:2.3:a:teldat:regesta_smart_hd-plc_-_tldph16d2:11.02.05.10.02:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-06-17 08:00
Credits
Aarón Flecha Menéndez Víctor Bello Cuevas
Show details on NVD website
To clipboard 

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                  "value": "The provider has implement the new version\u0026nbsp;\u003cb\u003e11.02.06.00.02\u003c/b\u003e\u0026nbsp;which solves the security problems detected in the affected version. The end user has to download the new version in the \u003cb\u003eTeldat - Client Support Portal\u003c/b\u003e and implement it in the device (\n\u003ca href=\"https://support.teldat.com/portal/supportcontent?page=cgs-customer-global-support\u0026amp;none=true\u0026amp;language=en-US\" title=\"https://support.teldat.com/portal/supportcontent?page=cgs-customer-global-support\u0026amp;none=true\u0026amp;language=en-US\"\u003ehttps://support.teldat.com/portal/supportcontent?page=cgs-customer-global-support\u0026amp;none=true\u0026amp;language=en-US\u003c/a\u003e)."
                }
              ],
              "value": "The provider has implement the new version\u00a011.02.06.00.02\u00a0which 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 (\n https://support.teldat.com/portal/supportcontent?page=cgs-customer-global-support\u0026none=true\u0026language=en-US )."
            }
          ],
          "source": {
            "advisory": "HRTU#0003",
            "discovery": "EXTERNAL"
          },
          "timeline": [
            {
              "lang": "en",
              "time": "2026-02-20T09:00:00.000Z",
              "value": "Vulnerability detection by the researchers"
            },
            {
              "lang": "en",
              "time": "2026-02-22T09:00:00.000Z",
              "value": "Report from researchers to the CNA of HackRTU"
            },
            {
              "lang": "en",
              "time": "2026-02-25T09:00:00.000Z",
              "value": "Report from HackRTU CNA to the provider"
            },
            {
              "lang": "en",
              "time": "2026-05-29T08:00:00.000Z",
              "value": "New version published by the provider"
            },
            {
              "lang": "en",
              "time": "2026-06-17T08:00:00.000Z",
              "value": "Vulnerabilities published by HackRTU\u0027s CNA"
            }
          ],
          "title": "WEB SERVICE (HTTP) DENIAL OF SERVICE VIA SLOW HEADERS ON REGESTA SMART HD-PLC OF TELDAT",
          "x_generator": {
            "engine": "Vulnogram 1.0.2"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "ffb98d57-deaa-4918-a669-5225ccc13e39",
        "assignerShortName": "HackRTU",
        "cveId": "CVE-2026-27869",
        "datePublished": "2026-06-17T08:13:37.802Z",
        "dateReserved": "2026-02-24T08:59:28.139Z",
        "dateUpdated": "2026-07-01T11:17:35.841Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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