Name: CVE-2016-7406: Improper Input Validation
Creator: Rapid7
Published: 2017-03-03T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2016-7406, CWE-20, CVSS 9.8, EPSS 0.25332

Format string vulnerability in Dropbear SSH before 2016.74 allows remote attackers to execute arbitrary code via format string specifiers in the (1) username or (2) host argument.

CVSS Details

CVSS 3.0 Base Score: 9.8
CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Debian	—	Upgrade dropbear	Mar 31, 2017	Jul 12, 2016
Freebsd	—	Upgrade dropbear	Dec 10, 2025	Sep 15, 2016
Gentoo Linux	—	Upgrade net-misc/dropbear.	Oct 30, 2017	Mar 3, 2017
Ubuntu	—	No solution exists	Jun 26, 2025	Mar 3, 2017

Prioritize with Active Threat Intelligence

With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.

Explore Intelligence Hub

MDR Buyer's Guide

Global Threat Landscape Report

Grow your business

CVSS Details

Covered by Rapid7

Prioritize with Active Threat Intelligence