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CVE-2018-25237— Hirschmann HiSecOS Buffer Overflow via HTTPS Login

Quick assessment

Affected
Belden Hirschmann HiSecOS Classic Firewall (EAGLE, EAGLE One)
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Belden Hirschmann HiSecOS是美国Belden公司的一个工业网络安全设备操作系统。 Belden Hirschmann HiSecOS 05.3.03之前版本存在安全漏洞，该漏洞源于启用RADIUS身份验证时HTTPS登录接口存在缓冲区溢出，可能导致远程攻击者提交超过128个字符的密码使设备崩溃或执行任意代码。

CVSS 9.8 · Critical EPSS 0.82% · P54

Affected Version Matrix 2

VendorProduct Version RangeStatus
Belden Hirschmann HiSecOS Classic Firewall (EAGLE, EAGLE One) 05.3.03 unaffected
≤ 05.3.02 affected
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I. Basic Information for CVE-2018-25237

Vulnerability Information
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Vulnerability Title
Hirschmann HiSecOS Buffer Overflow via HTTPS Login
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: CVE Program / CVE List V5
Vulnerability Title
Belden Hirschmann HiSecOS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Belden Hirschmann HiSecOS是美国Belden公司的一个工业网络安全设备操作系统。 Belden Hirschmann HiSecOS 05.3.03之前版本存在安全漏洞，该漏洞源于启用RADIUS身份验证时HTTPS登录接口存在缓冲区溢出，可能导致远程攻击者提交超过128个字符的密码使设备崩溃或执行任意代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
Belden Hirschmann HiSecOS Classic Firewall (EAGLE, EAGLE One) 05.3.03 -

II. Public POCs for CVE-2018-25237

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III. Intelligence Information for CVE-2018-25237

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Vendor Advisories for CVE-2018-25237 (2)

Same Patch Batch · Belden · 2026-04-03 · 11 CVEs total

CVE-2017-20237 9.8 CRITICAL Hirschmann Industrial HiVision Authentication Bypass Remote Code Execution
CVE-2018-25236 9.8 CRITICAL Hirschmann HiOS HiSecOS Authentication Bypass via HTTP Management
CVE-2017-20234 9.8 CRITICAL GarrettCom Magnum 6K and 10K Authentication Bypass via Hardcoded String
CVE-2021-4477 9.1 CRITICAL Hirschmann HiLCOS OpenBAT BAT450 IPv6 IPsec Firewall Bypass
CVE-2015-10148 8.2 HIGH Hirschmann HiLCOS Hard-coded Credentials SSH SSL Keys
CVE-2016-15058 8.1 HIGH Hirschmann HiLCOS Classic Platform Password Exposure via SNMP
CVE-2020-37216 7.5 HIGH Hirschmann HiOS EtherNet/IP Stack Denial of Service
CVE-2022-4987 7.3 HIGH Hirschmann Industrial HiVision External Application Path Hijacking Leading to Arbitrary Co
CVE-2017-20238 7.1 HIGH Hirschmann Industrial HiVision Improper Authorization Privilege Escalation
CVE-2017-20233 5.4 MEDIUM Hirschmann HiLCOS Layer-2 Firewall Multicast Broadcast Traffic Bypass

IV. Related Vulnerabilities

Same vendor: Belden
Same weakness: CWE-120

V. Comments for CVE-2018-25237

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