CVE-2018-17440

Severity: critical (CVSS 9.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 38.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2018-10-08 · updated 2026-06-17
Weakness: CWE-434

Description

An issue was discovered on D-Link Central WiFi Manager before v 1.03r0100-Beta1. They expose an FTP server that serves by default on port 9000 and has hardcoded credentials (admin, admin). Taking advantage of this, a remote unauthenticated attacker could execute arbitrary PHP code by uploading any file in the web root directory and then accessing it via a request.

Affected products

Dlink Central Wifimanager: from 1.00 before 1.03 — fixed in 1.03

How to fix

Upgrade to a fixed version: Dlink Central Wifimanager 1.03. Check the vendor advisory for mitigations.

References

http://seclists.org/fulldisclosure/2018/Oct/11
https://securityadvisories.dlink.com/announcement/publication.aspx?name=SAP10092
https://www.exploit-db.com/exploits/45533/
https://www.secureauth.com/labs/advisories/d-link-central-wifimanager-software-controller-multiple-vulnerabilities
http://seclists.org/fulldisclosure/2018/Oct/11
https://securityadvisories.dlink.com/announcement/publication.aspx?name=SAP10092
https://www.exploit-db.com/exploits/45533/
https://www.secureauth.com/labs/advisories/d-link-central-wifimanager-software-controller-multiple-vulnerabilities

Get alerted when CVE-2018-17440 or the next vulnerability affects your stack