Tenda AC20 fromAdvSetMacMtuWan stack-based overflow_CVE-2025-9791

8.7 / 10

HIGH

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

Description

A weakness has been identified in Tenda AC20 16.03.08.05. This vulnerability affects unknown code of the file /goform/fromAdvSetMacMtuWan. This manipulation of the argument wanMTU causes stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be exploited.

Basic Information

ID CVE-2025-9791

Source VulDB

Published Sep 1, 2025 at 19:02

Affected Product

Vendor Tenda

Product AC20

Version 16.03.08.05

Affected Versions Tenda AC20 16.03.08.05

CWE Classification

CWE-121 CWE-119

References

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    "lastseen": "",
    "description": "A weakness has been identified in Tenda AC20 16.03.08.05. This vulnerability affects unknown code of the file /goform/fromAdvSetMacMtuWan. This manipulation of the argument wanMTU causes stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be exploited.",
    "published": "2025-09-01T19:02:07.802Z",
    "modified": "2025-09-01T19:02:07.802Z",
    "type": "cve",
    "title": "Tenda AC20 fromAdvSetMacMtuWan stack-based overflow",
    "source": "VulDB",
    "references": "https://vuldb.com/?id.322106\nhttps://vuldb.com/?ctiid.322106\nhttps://vuldb.com/?submit.641088\nhttps://github.com/Cpppq43/Tenda/blob/main/Tenda_AC20_V16.03.08.05.md\nhttps://github.com/Cpppq43/Tenda/blob/main/Tenda_AC20_V16.03.08.05.md#poc\nhttps://www.tenda.com.cn/",
    "id": "CVE-2025-9791",
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    "cwe": [
        "CWE-121",
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    "cvelist": null,
    "sourceData": "Tenda AC20 16.03.08.05",
    "sourceHref": "",
    "cvss": {
        "score": 8.7,
        "severity": "HIGH",
        "vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P",
        "version": "4.0"
    },
    "cvss2": [],
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        "baseSeverity": "",
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        "cvssV3": {
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    "product": "AC20",
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