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CVE-2024-27619

HighPublished

Dlink Dir-3040us A1 1.20b03a hotfix is vulnerable to Buffer Overflow. Any user having read/write access to ftp server can write directly to ram causing...

Published: Mar 29, 2024
Updated: Jul 9, 2026
Assigning CNA: mitre
Evidence observed: Aug 8, 2026

Primary CVSS

7.3/ 10High

nvd · CVSS 3.1

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

EPSS probability estimate

0.8%

Low · next 30 days

Percentile: 56.0%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

Dlink Dir-3040us A1 1.20b03a hotfix is vulnerable to Buffer Overflow. Any user having read/write access to ftp server can write directly to ram causing buffer overflow if file or files uploaded are greater than available ram. Ftp server allows change of directory to root which is one level up than root of usb flash directory. During upload ram is getting filled and causing system resource exhaustion (no free memory) which causes system to crash and reboot.

Sources

dir-3040_dosPoC
Proof-of-concept exploit for CVE-2024-27619 causing denial of service on D-Link DIR-3040/3060 routers via FTP memory exhaustion without authentication.

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