CVE-2018-25237 in Hirschmann HiSecOS Classic Firewall
Summary
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.
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Responsible
VulnCheck
Reservation
04/03/2026
Disclosure
04/04/2026
Status
Confirmed
Entries
VulDB provides additional information and datapoints for this CVE:
| ID | Vulnerability | CWE | Exp | Cou | CVE |
|---|---|---|---|---|---|
| 355215 | Belden Hirschmann HiSecOS Classic Firewall HTTPS Login buffer overflow | 120 | Not defined | Official fix | CVE-2018-25237 |