CVE-2025-34071
CRITICALGFI Kerio Control 9.4.5 - Authenticated Remote Code Execution via Firmware Upgrade Feature
Title source: llmDescription
A remote code execution vulnerability in GFI Kerio Control 9.4.5 allows attackers with administrative access to upload and execute arbitrary code through the firmware upgrade feature. The system upgrade mechanism accepts unsigned .img files, which can be modified to include malicious scripts within the upgrade.sh or disk image components. These modified upgrade images are not validated for authenticity or integrity, and are executed by the system post-upload, enabling root access.
References (2)
Core 2
Core References
Exploit, Third Party Advisory third-party-advisory
technical-description
exploit
https://ssd-disclosure.com/ssd-advisory-kerio-control-authentication-bypass-and-rce/
Third Party Advisory third-party-advisory
https://vulncheck.com/advisories/gfi-kerio-control-auth-bypass-rce
Scores
CVSS v3
9.8
EPSS
0.0070
EPSS Percentile
48.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
total
Details
CWE
CWE-306
Status
published
Products (1)
gfi/kerio_control
9.4.5
Published
Jul 02, 2025
Tracked Since
Feb 18, 2026