CVE-2026-120189

critical

Description

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.

References

https://www.dlink.com/

https://vuldb.com/vuln/429528/cti

https://vuldb.com/vuln/429528

https://vuldb.com/submit/1027185

https://vuldb.com/cve/CVE-2026-120189

https://github.com/Walnut1337/DIR-505_filename_rce/tree/main/poc

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-114738

Details

Source: Mitre, NVD

Published: 2026-11-01

Updated: 2026-11-01

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 10

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

Severity: Critical

CVSS v4

Base Score: 10

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

Severity: Critical