CVE-2026-120189

D-Link DIR-505 TFTP Upload Filename tftpd mp_upload_file stack-based overflow

CRITICAL 10.0

CVSS 4.0Vector: 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/E:PPublished: 2026-11-01 00:00 UTCUpdated: 2026-11-01 00:00 UTCAssigner: VulDB

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.

CWE

Affected

D-Link DIR-505

References

https://vuldb.com/vuln/429528vdb-entry, technical-description
https://vuldb.com/vuln/429528/ctisignature, permissions-required
https://vuldb.com/cve/CVE-2026-120189third-party-advisory
https://vuldb.com/submit/1027185third-party-advisory
https://github.com/Walnut1337/DIR-505_filename_rce/tree/main/pocexploit
https://www.dlink.com/product

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