Buffer Overflow Vulnerability in TP-Link AX53_CVE-2026-30814

7.3 / 10

HIGH

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

Description

A stack-based buffer overflow in the tmpServer module of TP-Link Archer AX53 v1.0 allows an authenticated adjacent attacker to trigger a segmentation fault and potentially execute arbitrary code via a specially crafted configuration file. Successful exploitation may cause a crash and could allow arbitrary code execution, enabling modification of device state, exposure of sensitive data, or further compromise of device integrity.

This issue affects AX53 v1.0: before 1.7.1 Build 20260213.

Basic Information

ID CVE-2026-30814

Source TPLink

Published Apr 8, 2026 at 17:52

Modified Apr 9, 2026 at 03:56

Affected Product

Vendor TP-Link Systems Inc.

Product AX53 v1.0

Affected Versions TP-Link Systems Inc. AX53 v1.0 0

CWE Classification

CWE-121

References

{
    "lastseen": "",
    "description": "A stack-based buffer overflow in the tmpServer module of TP-Link Archer AX53 v1.0\u00a0allows an authenticated adjacent attacker to trigger a segmentation fault and potentially execute arbitrary code via a specially crafted configuration file. Successful exploitation may cause a crash and could allow arbitrary code execution, enabling modification of device state, exposure of sensitive data, or further compromise of device integrity.\n\nThis issue affects AX53 v1.0: before 1.7.1 Build 20260213.",
    "published": "2026-04-08T17:52:00.929Z",
    "modified": "2026-04-09T03:56:15.034Z",
    "type": "cve",
    "title": "Buffer Overflow Vulnerability in TP-Link AX53",
    "source": "TPLink",
    "references": "https://www.tp-link.com/my/support/download/archer-ax53/v1/#Firmware\nhttps://www.tp-link.com/en/support/download/archer-ax53/v1/#Firmware\nhttps://talosintelligence.com/vulnerability_reports/\nhttps://www.tp-link.com/us/support/faq/5055/",
    "id": "CVE-2026-30814",
    "bulletinFamily": "",
    "cwe": [
        "CWE-121"
    ],
    "cvelist": null,
    "sourceData": "TP-Link Systems Inc. AX53 v1.0 0",
    "sourceHref": "",
    "cvss": {
        "score": 7.3,
        "severity": "HIGH",
        "vector": "CVSS:4.0/AV:A/AC:H/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L",
        "version": "4.0"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "AX53 v1.0",
    "version": "0",
    "vendor": "TP-Link Systems Inc.",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}