Critical 10.0
CVE-2026-120189

D-Link DIR-505 — buffer overflow.

A vulnerability was identified in D-Link DIR-505 1.10B02.

Published Source NVD
CVSS 3.1
10.0
AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Exploit chance, 30 days
Not scored yet
EPSS scores new CVEs within a day or two
Status
No known exploitation
Not in CISA KEV
Patch
Unknown
Check the vendor advisory

A vulnerability was identified in D-Link DIR-505 1.10B02. Affected is the function save_upload_file/mp_upload_file of the file /usr/bin/tftpd of the component TFTP Upload Filename Handler. The manipulation leads to stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit is publicly available and might be used.

What to do

  1. 01Check whether you run D-Link DIR-505, and which version.
  2. 02Follow the vendor advisory for a fix or a workaround.

References