by Kastro
Paper/Archive/CVE-2026-120189

CVE-2026-120189

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

CVSS 10.0
critical.is priorityof 100
30
CVSS 10.0 (CNA)10.0 / 10 × 3030.0Not in CISA KEV+300.0No EPSS score.000 × 200.0No public exploit+100.0SSVC exploitation: unknown+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
DIR-5051.10B02–CNA

Scores by source

VulDB (CNA)10.0CVSS: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:P
VulDB (CNA)10.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R
VulDB (CNA)10.0CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R

References

writeupvuldb.com/vuln/429528refvuldb.com/vuln/429528/ctiwriteupvuldb.com/cve/CVE-2026-120189writeupvuldb.com/submit/1027185exploitgithub.com/Walnut1337/DIR-505_filename_rce/tree/main/pocrefdlink.com