CVE-2016-8366

HIGH

Phoenix Contact ILC PLC - Info Disclosure

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2016-8366. PoCs published by Photubias.

AI-analyzed exploit summary This exploit retrieves clear-text credentials and SHA256 password hashes from Phoenix Contact WebVisit GUI by parsing hex-encoded data in the application's response. It targets a password disclosure vulnerability in versions prior to 6.40.00.

Description

Webvisit in Phoenix Contact ILC PLCs offers a password macro to protect HMI pages on the PLC against casual or coincidental opening of HMI pages by the user. The password macro can be configured in a way that the password is stored and transferred in clear text.

Exploits (1)

exploitdb WORKING POC
by Photubias · pythonwebappshardware
https://www.exploit-db.com/exploits/45586

This exploit retrieves clear-text credentials and SHA256 password hashes from Phoenix Contact WebVisit GUI by parsing hex-encoded data in the application's response. It targets a password disclosure vulnerability in versions prior to 6.40.00.

Classification
Working Poc 95%
Attack Type
Info Leak
Complexity
Moderate
Reliability
Reliable
Target: Phoenix Contact WebVisit < 6.40.00
No auth needed
Prerequisites: Network access to the target device · WebVisit GUI exposed on the target
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Third Party Advisory, US Government Resource x_refsource_misc
https://ics-cert.us-cert.gov/advisories/ICSA-313-01
Exploit, Third Party Advisory exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/45586/
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/94163

Scores

CVSS v3 7.3
EPSS 0.0585
EPSS Percentile 92.2%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Details

CWE
CWE-255 CWE-312
Status published
Products (1)
phoenixcontact/ilc_plcs_firmware
Published Apr 05, 2018
Tracked Since Feb 18, 2026