Critical Alert 1 Active Exploit Detected Today

CVE-2026-20316 — Cisco Secure Firewall Management Center Use of Hard-coded Password Vulnerability →
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July 30, 2026

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CVE-2026-3608NVD

Vulnerability Summary

Sending a maliciously crafted message to the kea-ctrl-agent, kea-dhcp-ddns, kea-dhcp4, or kea-dhcp6 daemons over any configured API socket or HA listener can cause the receiving daemon to exit with a stack overflow error.
This issue affects Kea versions 2.6.0 through 2.6.4 and 3.0.0 through 3.0.2.
Severity Level
HIGH(7.5)
Published Date
Mar 25, 2026
Last Modified
Jun 30, 2026
Exploitation Status
No confirmed exploitation yet
EPSS Score (30-Day)
1.36%Probability
Root Weakness (CWE)
CWE-617: Unknown/Unlisted Weakness ↗
Refer to the official MITRE database for detailed architectural specifications regarding this weakness.
CVSS v3.1 Base Metrics
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityNone
IntegrityNone
AvailabilityHigh

External References