Critical (9.8) in hillstonenet web application firewall. EPSS 1.1% chance of exploitation in the next 30 days.
Improper Input Validation vulnerability in Hillstone Networks Hillstone Networks Web Application Firewall on 5.5R6 allows Command Injection.This issue affects Hillstone Networks Web Application Firewall: from 5.5R6-2.6.7 through 5.5R6-2.8.13.
Severity
CVSS 3.1
9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
1.1% chance of exploitation in the next 30 days; higher than 66% of CVEs (scores of 2026-10-31)