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        "cveId": "CVE-2026-3622",
        "assignerOrgId": "f23511db-6c3e-4e32-a477-6aa17d310630",
        "state": "PUBLISHED",
        "assignerShortName": "TPLink",
        "dateReserved": "2026-03-06T00:09:48.566Z",
        "datePublished": "2026-03-26T20:34:36.490Z",
        "dateUpdated": "2026-03-27T19:39:21.225Z"
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                "shortName": "TPLink",
                "dateUpdated": "2026-03-26T20:34:36.490Z"
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            "title": "Denial-of-Service Vulnerability in UPnP Component of TP Link's TL-WR841N",
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                            "lang": "en",
                            "cweId": "CWE-125",
                            "description": "CWE-125 Out-of-bounds read",
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                            "lang": "en",
                            "value": "CAPEC-540 Overread Buffers"
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            "affected": [
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                    "vendor": "TP-Link Systems Inc.",
                    "product": "TL-WR841N v14",
                    "platforms": [
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                            "version": "0",
                            "lessThan": "0.9.1 4.19",
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                    "value": "The vulnerability exists in the UPnP component of TL-WR841N v14, where improper input validation leads to an out-of-bounds read, potentially causing a crash of the UPnP service.  \n\nSuccessful exploitation can cause the UPnP service to crash, resulting in a Denial-of-Service condition. \nThis vulnerability affects TL-WR841N v14 < EN_0.9.1 4.19 Build 260303 Rel.42399n (V14_260303) and < US_0.9.1.4.19 Build 260312 Rel. 49108n (V14_0304).",
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                {
                    "url": "https://www.tp-link.com/en/support/download/tl-wr841n/v14/#Firmware",
                    "tags": [
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                    "url": "https://www.tp-link.com/us/support/faq/5033/",
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                        "attackVector": "ADJACENT",
                        "attackComplexity": "LOW",
                        "attackRequirements": "NONE",
                        "privilegesRequired": "NONE",
                        "userInteraction": "NONE",
                        "vulnConfidentialityImpact": "NONE",
                        "subConfidentialityImpact": "NONE",
                        "vulnIntegrityImpact": "NONE",
                        "subIntegrityImpact": "NONE",
                        "vulnAvailabilityImpact": "HIGH",
                        "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",
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                        "baseScore": 7.1,
                        "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"
                    }
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            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "Md Sharafatullah Zomadder, Professor Rahamatullah Khondoker, Dept. of Business Informatics, THM University of Applied Sciences, Friedberg, Germany",
                    "type": "finder"
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            ],
            "source": {
                "discovery": "UNKNOWN"
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                            "content": {
                                "id": "CVE-2026-3622",
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                                "options": [
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                                ],
                                "version": "2.0.3",
                                "timestamp": "2026-03-27T19:28:42.478378Z"
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                "title": "CISA ADP Vulnrichment",
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