CVE-2026-3608

Stack overflow in Kea daemons

Published: Mar 25, 2026Updated: Jul 15, 2026 Sources: CVE List NVDCWE-617

7.5HIGH

Description

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.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:NPrivileges Required

None

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:NConfidentiality

None

I:NIntegrity

None

A:HAvailability

High

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Weaknesses

CWE-617

Affected Products

ISC

commercial·USaka internet systems consortium

Kea

Networking Infrastructure

Exploitability

0 exploit sources identified

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Official Patch Available

Workaround Available

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique

Impact

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References

https://downloads.isc.org/isc/kea/2.6.5

downloads.isc.org

https://downloads.isc.org/isc/kea/3.0.3

downloads.isc.org

https://kb.isc.org/docs/cve-2026-3608

kb.isc.org

and 6 more references View all →

News mentions

CVSS 8.7 Unauthenticated RCE Impacts Multiple TP-Link Routers
en·Daily CyberSecurity (securityonline.info)·Jun 25, 2026 Patch TP-Link Routers rce

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