CVE-2018-25237

CRITICAL

Hirschmann HiSecOS Buffer Overflow via HTTPS Login

Title source: cna
STIX 2.1

Description

Hirschmann HiSecOS devices versions prior to 05.3.03 contain a buffer overflow vulnerability in the HTTPS login interface when RADIUS authentication is enabled that allows remote attackers to crash the device or execute arbitrary code by submitting a password longer than 128 characters. Attackers can exploit improper bounds checking in password handling to overflow a fixed-size buffer and achieve denial of service or remote code execution.

Scores

CVSS v3 9.8
EPSS 0.0010
EPSS Percentile 27.8%
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 none
Automatable yes
Technical Impact total

Details

CWE
CWE-120
Status published
Products (2)
Belden/Hirschmann HiSecOS Classic Firewall (EAGLE, EAGLE One) < 05.3.02
Belden/Hirschmann HiSecOS Classic Firewall (EAGLE, EAGLE One) 05.3.03
Published Apr 03, 2026
Tracked Since Apr 04, 2026