VULNERABILITY INTELLIGENCE
CVE-2018-17787
CVSS score9.8 CRITICAL
EPSS probability3.66%
CISA KEVNot currently listed
Published2018-10-02
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Description
On D-Link DIR-823G devices, the GoAhead configuration allows /HNAP1 Command Injection via shell metacharacters in the POST data, because this data is sent directly to the "system" library function.
Weakness classification
- CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Primary references
- cve@mitre.org — Exploit, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory