UPnP DOS in TL-WR940N V6_CVE-2025-11676

7.1 / 10

HIGH

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

Description

Improper input validation vulnerability in TP-Link System Inc. TL-WR940N V6 (UPnP modules), which allows unauthenticated adjacent attackers to perform DoS attack. This issue affects TL-WR940N V6 <= Build 220801.

Basic Information

ID CVE-2025-11676

Source TPLink

Published Nov 20, 2025 at 08:09

Affected Product

Vendor TP-Link System Inc.

Product TL-WR940N V6

Affected Versions TP-Link System Inc. TL-WR940N V6 0

CWE Classification

CWE-20

References

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    "lastseen": "",
    "description": "Improper input validation vulnerability in TP-Link System Inc. TL-WR940N V6 (UPnP modules), which allows unauthenticated adjacent attackers to perform DoS attack. This issue affects TL-WR940N V6 <= Build 220801.",
    "published": "2025-11-20T08:09:46.853Z",
    "modified": "2025-11-20T08:09:46.853Z",
    "type": "cve",
    "title": "UPnP DOS in TL-WR940N V6",
    "source": "TPLink",
    "references": "https://www.tp-link.com/us/support/download/tl-wr940n/v6/#Firmware\nhttps://www.tp-link.com/en/support/download/tl-wr940n/v6/#Firmware\nhttps://www.tp-link.com/en/support/faq/4755/",
    "id": "CVE-2025-11676",
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    "sourceData": "TP-Link System Inc. TL-WR940N V6 0",
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    "cvss": {
        "score": 7.1,
        "severity": "HIGH",
        "vector": "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",
        "version": "4.0"
    },
    "cvss2": [],
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        "baseSeverity": "",
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        "privilegesRequired": "",
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        "confidentialityImpact": "",
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        "availabilityImpact": "",
        "cvssV3": {
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    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "TL-WR940N V6",
    "version": "0",
    "vendor": "TP-Link System Inc.",
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}