D-Link DNS-1550-04 app_mgr.cgi UPnP_AV_Server_Path_Del stack-based overflow_CVE-2026-5211

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 flaw 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 vulnerability affects the function UPnP_AV_Server_Path_Del of the file /cgi-bin/app_mgr.cgi. Executing a manipulation of the argument f_dir can lead to stack-based buffer overflow. The attack can be executed remotely. The exploit has been published and may be used.

Basic Information

ID CVE-2026-5211

Source VulDB

Published Mar 31, 2026 at 19:30

Modified Apr 1, 2026 at 12:32

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

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    "published": "2026-03-31T19:30:17.872Z",
    "modified": "2026-04-01T12:32:31.520Z",
    "type": "cve",
    "title": "D-Link DNS-1550-04 app_mgr.cgi UPnP_AV_Server_Path_Del stack-based overflow",
    "source": "VulDB",
    "references": "https://vuldb.com/vuln/354347\nhttps://vuldb.com/vuln/354347/cti\nhttps://vuldb.com/submit/780434\nhttps://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_165/165.md\nhttps://www.dlink.com/",
    "id": "CVE-2026-5211",
    "bulletinFamily": "",
    "cwe": [
        "CWE-121",
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    "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",
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    "product": "DNS-120",
    "version": "20260205",
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