D-Link DNS-1550-04 webdav_mgr.cgi Webdav_Upload_File stack-based overflow_CVE-2026-5212

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 vulnerability has been found in D-Link DNS-120, DNR-202L, DNS-315L, DNS-320, DNS-320L, DNS-320LW, DNS-321, DNR-322L, DNS-323, DNS-325, DNS-326, DNS-327L, DNR-326, DNS-340L, DNS-343, DNS-345, DNS-726-4, DNS-1100-4, DNS-1200-05 and DNS-1550-04 up to 20260205. This issue affects the function Webdav_Upload_File of the file /cgi-bin/webdav_mgr.cgi. The manipulation of the argument f_file leads to stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used.

Basic Information

ID CVE-2026-5212

Source VulDB

Published Mar 31, 2026 at 20:15

Modified Apr 3, 2026 at 16:40

Affected Product

Vendor D-Link

Product DNS-120

Version 20260205

Affected Versions D-Link DNS-120 20260205
D-Link DNR-202L 20260205
D-Link DNS-315L 20260205
D-Link DNS-320 20260205
D-Link DNS-320L 20260205
D-Link DNS-320LW 20260205
D-Link DNS-321 20260205
D-Link DNR-322L 20260205
D-Link DNS-323 20260205
D-Link DNS-325 20260205
D-Link DNS-326 20260205
D-Link DNS-327L 20260205
D-Link DNR-326 20260205
D-Link DNS-340L 20260205
D-Link DNS-343 20260205
D-Link DNS-345 20260205
D-Link DNS-726-4 20260205
D-Link DNS-1100-4 20260205
D-Link DNS-1200-05 20260205
D-Link DNS-1550-04 20260205

CWE Classification

CWE-121 CWE-119

References

{
    "lastseen": "",
    "description": "A vulnerability has been found in D-Link DNS-120, DNR-202L, DNS-315L, DNS-320, DNS-320L, DNS-320LW, DNS-321, DNR-322L, DNS-323, DNS-325, DNS-326, DNS-327L, DNR-326, DNS-340L, DNS-343, DNS-345, DNS-726-4, DNS-1100-4, DNS-1200-05 and DNS-1550-04 up to 20260205. This issue affects the function Webdav_Upload_File of the file /cgi-bin/webdav_mgr.cgi. The manipulation of the argument f_file leads to stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used.",
    "published": "2026-03-31T20:15:13.429Z",
    "modified": "2026-04-03T16:40:05.322Z",
    "type": "cve",
    "title": "D-Link DNS-1550-04 webdav_mgr.cgi Webdav_Upload_File stack-based overflow",
    "source": "VulDB",
    "references": "https://vuldb.com/vuln/354348\nhttps://vuldb.com/vuln/354348/cti\nhttps://vuldb.com/submit/780435\nhttps://vuldb.com/submit/780436\nhttps://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_166/166.md\nhttps://www.dlink.com/",
    "id": "CVE-2026-5212",
    "bulletinFamily": "",
    "cwe": [
        "CWE-121",
        "CWE-119"
    ],
    "cvelist": null,
    "sourceData": "D-Link DNS-120 20260205\nD-Link DNR-202L 20260205\nD-Link DNS-315L 20260205\nD-Link DNS-320 20260205\nD-Link DNS-320L 20260205\nD-Link DNS-320LW 20260205\nD-Link DNS-321 20260205\nD-Link DNR-322L 20260205\nD-Link DNS-323 20260205\nD-Link DNS-325 20260205\nD-Link DNS-326 20260205\nD-Link DNS-327L 20260205\nD-Link DNR-326 20260205\nD-Link DNS-340L 20260205\nD-Link DNS-343 20260205\nD-Link DNS-345 20260205\nD-Link DNS-726-4 20260205\nD-Link DNS-1100-4 20260205\nD-Link DNS-1200-05 20260205\nD-Link DNS-1550-04 20260205",
    "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": [],
    "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": "DNS-120",
    "version": "20260205",
    "vendor": "D-Link",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}