CVE-2026-120189: A vulnerability was identified in D-Link DIR-505 1.10B02

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CRITICAL 10.0REMOTE

CVE-2026-120189 is a critical-severity flaw (CVSS 10.0) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	10.0 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	n/a
CISA exploited list	No
Weakness	CWE-119, CWE-121
Published	2026-11-01
Last modified	2026-11-01

Publisher (CNA): VulDB

Last updated 2026-11-01 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Timeline

2026-11-01 01:17 UTCPublished CVE record published
2026-11-01 01:17 UTCUpdated Record last modified

Advisories and coverage

Research and news

VulDB Recent Entries: CVE-2026-120189 | D-Link DIR-505 1.10B02 TFTP Upload Filename /usr/bin/tftpd save_upload_file/mp_upload_file stack-based overflow 2026-10-31

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-120189?

No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.

Is CVE-2026-120189 being exploited?

CVE-2026-120189 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-120189 affect?

CVE-2026-120189 affects affected software. Severity is critical (CVSS 10.0). 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 overfl

How urgent is CVE-2026-120189?

Priority 40/100. Critical severity; Remotely exploitable, no login, no user action

Software pages

D-Link vulnerabilities

References

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