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CVE-2022-4986— Hirschmann EagleSDV Denial of Service via TLS

Quick assessment

Affected
Belden Hirschmann EagleSDV
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 EagleSDV是美国Belden公司的一款工业网络安全防火墙设备。 Belden Hirschmann EagleSDV 05.4.02之前版本存在安全漏洞，该漏洞源于使用TLS 1.0或TLS 1.1建立会话时存在拒绝服务漏洞，可能导致设备崩溃。

CVSS 7.5 · High EPSS 0.44% · P36

Affected Version Matrix 2

VendorProduct Version RangeStatus
Belden Hirschmann EagleSDV ≤ 05.4.01 affected
05.4.02 unaffected
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I. Basic Information for CVE-2022-4986

Vulnerability Information
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Vulnerability Title
Hirschmann EagleSDV Denial of Service via TLS
Source: CVE Program / CVE List V5
Vulnerability Description
Hirschmann EagleSDV version 05.4.01 prior to 05.4.02 contains a denial-of-service vulnerability that causes the device to crash during session establishment when using TLS 1.0 or TLS 1.1. Attackers can trigger a crash by initiating TLS connections with these protocol versions to disrupt service availability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: CVE Program / CVE List V5
Vulnerability Title
Belden Hirschmann EagleSDV 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Belden Hirschmann EagleSDV是美国Belden公司的一款工业网络安全防火墙设备。 Belden Hirschmann EagleSDV 05.4.02之前版本存在安全漏洞，该漏洞源于使用TLS 1.0或TLS 1.1建立会话时存在拒绝服务漏洞，可能导致设备崩溃。
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)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Belden Hirschmann EagleSDV 0 ~ 05.4.01 -

II. Public POCs for CVE-2022-4986

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III. Intelligence Information for CVE-2022-4986

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Vendor Pages for CVE-2022-4986 (1)

Same Patch Batch · Belden · 2026-04-02 · 6 CVEs total

CVE-2024-14034 9.8 CRITICAL Hirschmann HiEOS Authentication Bypass via HTTP Management Module
CVE-2023-7342 8.8 HIGH Belden HiSecOS Web Server Privilege Escalation
CVE-2025-15620 8.6 HIGH HiOS Switch Platform Denial-of-Service via Web Interface
CVE-2023-7343 7.8 HIGH Belden Industrial HiVision Arbitrary Code Execution via Malicious Project File
CVE-2024-14033 7.5 HIGH Hirschmann EagleSDV Denial of Service via TLS

IV. Related Vulnerabilities

Same product: Hirschmann EagleSDV
Same vendor: Belden
Same weakness: CWE-400

V. Comments for CVE-2022-4986

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