CVE-2026-120189

CRITICALCVSS 10/10

Last modified

CVE-2026-120189 is a critical-severity vulnerability rated 10/10 on the CVSS scale. 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.

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.

Metrics

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
D-LinkDIR-5051.10B02

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-120189?
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.
How severe is CVE-2026-120189?
CVE-2026-120189 has a CVSS score of 10/10 (CRITICAL severity).
How do I fix CVE-2026-120189?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST