PT-2026-30247 · Undefined · Undefined

Published 2026-04-03 · Updated 2026-04-03 · CVE-2018-25237

NVD

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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.

Fix

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

CVE-2018-25237

Affected Products

Undefined

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2018-25237 · Security Note
• https://vulncheck.com/advisories/hirschmann-hisecos-buffer-overflow-via-https-login · Note
• https://assets.belden.com/m/2d5657b3e5d721c6/original/Security-Bulletin-RADIUS-Authentication-BSECV-2018-04.pdf · Note