CVE-2026-120189

CRITICAL 10.0

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

CVSS Score

10.0

EPSS Score

0.0%

EPSS Percentile

0th

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	CWE-121 CWE-119
Vendor	d-link
Product	dir-505
Published	Nov 1, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

D-Link / DIR-505

1.10B02

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/429528 vuldb.com: https://vuldb.com/vuln/429528/cti vuldb.com: https://vuldb.com/cve/CVE-2026-120189 vuldb.com: https://vuldb.com/submit/1027185 github.com: https://github.com/Walnut1337/DIR-505_filename_rce/tree/main/poc dlink.com: https://www.dlink.com/

Credits

🔍 Walnut1337 (VulDB User)