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CVE-2018-25237

CRITICAL
9.8
CVSS 3.1
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.

Metadata

CVE ID
CVE-2018-25237
State
PUBLISHED
Assigner
VulnCheck
Reserved
2026-04-03 21:16 UTC
Published
2026-04-03 21:22 UTC
Last updated
2026-05-14 02:06 UTC
Primary CWE
CWE-120
CWE-120: Buffer Copy without Checking Size of Input ('Classi…
Vendor / Product
Belden / Hirschmann HiSecOS Classic Firewall (EAGLE, EAGLE One)
Sources
cve.org  ·  NVD

Severity & Metrics

9.8 CRITICAL CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC — CISA Coordinator
Exploitation
none
Automatable
yes
Tech. Impact
total
Affected products (1)
VendorProductPlatformVersions
Belden Hirschmann HiSecOS Classic Firewall (EAGLE, EAGLE One) — 05.3.03, 0 ≤ 05.3.02
Weakness (CWE)
CWESourceDescription
CWE-120 cna CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CVSS scores (2)
ScoreSeverityVersionSourceVector
9.8 CRITICAL 3.1 cna CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.3 CRITICAL 4.0 cna CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
References (2)
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