Technical Severity
CRITICAL
CVSS v3.1 Metrics
9.8
/ 10
Minimal Risk
Critical
Vector Specification
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitation Likelihood
EPSS Prediction
93.30
%
Predictive Probability
Percentile Rank
99.8
th
Documented as more likely to be exploited than 99.8% of known CVEs.
Detection Date
Jun 29, 2023
Remediation Due
Jul 20, 2023
CISA Catalog Active
Threat Analysis
D-Link DIR-859 router contains a command execution vulnerability in the UPnP endpoint URL, /gena.cgi. Exploitation allows an unauthenticated remote attacker to execute system commands as root by sending a specially crafted HTTP SUBSCRIBE request to the UPnP service when connecting to the local network.
Remediation Directive
Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.