CVE•Published 2017-03-03•Modified 2026-05-13•1 article on news•6 live references•NVD data

CVE-2016-7406Dropbear_ssh_project · Dropbear_ssh

Vulnerability data via NVD (ingested)

CVSS v3.1

9.8

CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS percentile

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Weaknesses (CWE)

CWE-20Improper Input Validation

Description

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.

Timeline

Published 2017-03-03

Modified 2026-05-13

External references

NVD MITRE Exploit-DB GitHub PoC trickest/cve VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2016-7406

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · product

product:"Dropbear Ssh Project Dropbear Ssh"

All exposed Dropbear Ssh Project Dropbear Ssh instances — cross-reference with the CVE's affected-version range.

Shodan · banner/body mention

http.html:"Dropbear Ssh"

HTTP body or banner mentions "Dropbear Ssh" — catches deploys Shodan didn't identify as a product.

More intel sources (5)

Shodan report

vuln:CVE-2016-7406