{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-27870",
        "assignerOrgId": "ffb98d57-deaa-4918-a669-5225ccc13e39",
        "state": "PUBLISHED",
        "assignerShortName": "HackRTU",
        "dateReserved": "2026-02-24T08:59:28.139Z",
        "datePublished": "2026-06-17T08:13:37.162Z",
        "dateUpdated": "2026-07-01T11:18:07.193Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "ffb98d57-deaa-4918-a669-5225ccc13e39",
                "shortName": "HackRTU",
                "dateUpdated": "2026-07-01T11:18:07.193Z"
            },
            "title": "CROSS-SITE SCRIPTING (XSS) VIA MALICIOUS FILE UPLOAD ON REGESTA SMART HD-PLC OF TELDAT",
            "datePublic": "2026-06-17T08:00:00.000Z",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "cweId": "CWE-79",
                            "description": "CWE-79 Improper neutralization of input during web page generation ('cross-site scripting')",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "impacts": [
                {
                    "capecId": "CAPEC-242",
                    "descriptions": [
                        {
                            "lang": "en",
                            "value": "CAPEC-242 Code Injection"
                        }
                    ]
                },
                {
                    "capecId": "CAPEC-63",
                    "descriptions": [
                        {
                            "lang": "en",
                            "value": "CAPEC-63 Cross-Site Scripting (XSS)"
                        }
                    ]
                }
            ],
            "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"
                        }
                    ],
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                                },
                                {
                                    "vulnerable": false,
                                    "criteria": "cpe:2.3:a:teldat:regesta_smart_hd-plc_-_tldph16d2:11.02.06.00.02:*:*:*:*:*:*:*"
                                }
                            ]
                        }
                    ]
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "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 software could, introduce arbitrary JavaScript by injecting a Cross-site Scripting (XSS)  payload into the 'Hostname' field of the configuration file resulting in a XSS in the path /upgrade/query.php?cmd=p+3%3Bversion. This issue affects Regesta Smart HD-PLC - TLDPH16D2: \n11.02.05.10.02.",
                    "supportingMedia": [
                        {
                            "type": "text/html",
                            "base64": false,
                            "value": "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 software could, introduce arbitrary JavaScript by injecting a&nbsp;<b>Cross-site Scripting (XSS)</b>&nbsp; payload into the '<i>Hostname</i>' field of the configuration file resulting in a&nbsp;XSS&nbsp;in the path <i><b>/upgrade/query.php?cmd=p+3%3Bversion</b></i>.&nbsp;<span>T</span><span>his issue affects Regesta Smart HD-PLC - TLDPH16D2: \n11.02.05.10.02.</span>"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://www.hackrtu.com/blog/CNA-HRTU-0003/",
                    "tags": [
                        "technical-description",
                        "patch"
                    ]
                },
                {
                    "url": "https://www.hackrtu.com/blog/CNA-CVE-2026-27870/",
                    "tags": [
                        "technical-description",
                        "patch"
                    ]
                },
                {
                    "url": "https://www.teldat.com/es/",
                    "tags": [
                        "product"
                    ]
                },
                {
                    "url": "https://support.teldat.com/images/content/docs/Teldat_dm1087_regesta_smart_nessum_series_installation(1).pdf",
                    "tags": [
                        "product"
                    ]
                },
                {
                    "url": "https://support.teldat.com/portal/supportcontent?page=cgs-customer-global-support&none=true&language=en-US",
                    "tags": [
                        "patch"
                    ]
                }
            ],
            "metrics": [
                {
                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "GENERAL"
                        }
                    ],
                    "cvssV4_0": {
                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "attackRequirements": "NONE",
                        "privilegesRequired": "HIGH",
                        "userInteraction": "PASSIVE",
                        "vulnConfidentialityImpact": "LOW",
                        "subConfidentialityImpact": "NONE",
                        "vulnIntegrityImpact": "NONE",
                        "subIntegrityImpact": "NONE",
                        "vulnAvailabilityImpact": "NONE",
                        "subAvailabilityImpact": "NONE",
                        "exploitMaturity": "NOT_DEFINED",
                        "Safety": "NOT_DEFINED",
                        "Automatable": "NOT_DEFINED",
                        "Recovery": "NOT_DEFINED",
                        "valueDensity": "NOT_DEFINED",
                        "vulnerabilityResponseEffort": "NOT_DEFINED",
                        "providerUrgency": "NOT_DEFINED",
                        "version": "4.0",
                        "baseSeverity": "MEDIUM",
                        "baseScore": 4.8,
                        "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N"
                    }
                }
            ],
            "solutions": [
                {
                    "lang": "en",
                    "value": "The provider has implement the new version 11.02.06.00.02 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 (\n https://support.teldat.com/portal/supportcontent?page=cgs-customer-global-support&none=true&language=en-US ).",
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                            "value": "The provider has implement the new version&nbsp;<b>11.02.06.00.02</b>&nbsp;which solves the security problems detected in the affected version. The end user has to download the new version in the <b>Teldat - Client Support Portal</b> and implement it in the device (\n<a href=\"https://support.teldat.com/portal/supportcontent?page=cgs-customer-global-support&amp;none=true&amp;language=en-US\" title=\"https://support.teldat.com/portal/supportcontent?page=cgs-customer-global-support&amp;none=true&amp;language=en-US\">https://support.teldat.com/portal/supportcontent?page=cgs-customer-global-support&amp;none=true&amp;language=en-US</a>)."
                        }
                    ]
                }
            ],
            "timeline": [
                {
                    "time": "2026-02-20T09:00:00.000Z",
                    "lang": "en",
                    "value": "Vulnerability detection by the researchers"
                },
                {
                    "time": "2026-02-22T09:00:00.000Z",
                    "lang": "en",
                    "value": "Report from researchers to the CNA of HackRTU"
                },
                {
                    "time": "2026-02-25T09:00:00.000Z",
                    "lang": "en",
                    "value": "Report from HackRTU CNA to the provider"
                },
                {
                    "time": "2026-05-29T08:00:00.000Z",
                    "lang": "en",
                    "value": "New version published by the provider"
                },
                {
                    "time": "2026-06-17T08:00:00.000Z",
                    "lang": "en",
                    "value": "Vulnerabilities published by HackRTU's CNA"
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "Aarón Flecha Menéndez",
                    "type": "finder"
                },
                {
                    "lang": "en",
                    "value": "Víctor Bello Cuevas",
                    "type": "finder"
                }
            ],
            "source": {
                "advisory": "HRTU#0003",
                "discovery": "EXTERNAL"
            },
            "x_generator": {
                "engine": "Vulnogram 1.0.2"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-06-17T12:47:25.070527Z",
                                "id": "CVE-2026-27870",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
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                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-06-17T12:47:53.316Z"
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}