CVE-2026-5212

HIGH

8.8

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.

CVE Details

CVSS v3.1 Score8.8

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published3/31/2026

Last Modified4/2/2026

Sourcenvd

Honeypot Sightings0

Affected Products

dlink:dnr-202ldlink:dnr-202l_firmwaredlink:dnr-326dlink:dnr-326_firmwaredlink:dns-1100-4dlink:dns-1100-4_firmwaredlink:dns-120dlink:dns-1200-05dlink:dns-1200-05_firmwaredlink:dns-120_firmwaredlink:dns-1550-04dlink:dns-1550-04_firmwaredlink:dns-315ldlink:dns-315l_firmwaredlink:dns-320dlink:dns-320_firmwaredlink:dns-320ldlink:dns-320l_firmwaredlink:dns-320lwdlink:dns-320lw_firmwaredlink:dns-321dlink:dns-321_firmwaredlink:dns-322ldlink:dns-322l_firmwaredlink:dns-323dlink:dns-323_firmwaredlink:dns-325dlink:dns-325_firmwaredlink:dns-326dlink:dns-326_firmwaredlink:dns-327ldlink:dns-327l_firmwaredlink:dns-340ldlink:dns-340l_firmwaredlink:dns-343dlink:dns-343_firmwaredlink:dns-345dlink:dns-345_firmwaredlink:dns-726-4dlink:dns-726-4_firmware

Weaknesses (CWE)

CWE-119CWE-121CWE-787

References

https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_166/166.md(cna@vuldb.com)

https://vuldb.com/submit/780435(cna@vuldb.com)

https://vuldb.com/submit/780436(cna@vuldb.com)

https://vuldb.com/vuln/354348(cna@vuldb.com)

https://vuldb.com/vuln/354348/cti(cna@vuldb.com)

https://www.dlink.com/(cna@vuldb.com)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.