CVE-2026-120189

CVSS 10.0 (critical) · published 2026-11-01

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.

Weakness: CWE-119, CWE-121

Source: NVD CVE-2026-120189

References

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

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