CVE-2018-25237
Hirschmann HiSecOS Buffer Overflow via HTTPS Login
CVSS Score
9.8
EPSS Score
0.1%
EPSS Percentile
24th
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.
| CWE | CWE-120 |
| Vendor | belden |
| Product | hirschmann hisecos classic firewall (eagle, eagle one) |
| Published | Apr 3, 2026 |
| Last Updated | Apr 6, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
Belden / Hirschmann HiSecOS Classic Firewall (EAGLE, EAGLE One)
0 ≤ 05.3.02