VDB-355035 · CVE-2022-4986 · EUVD-2022-55960

Belden Hirschmann EagleSDV up to 05.4.0/05.4.1 TLS Connection resource consumption

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.3	$0-$5k	1.99-

Summaryinfo

A vulnerability identified as problematic has been detected in Belden Hirschmann EagleSDV up to 05.4.0/05.4.1. Affected is an unknown function of the component TLS Connection Handler. Performing a manipulation results in resource consumption. This vulnerability is known as CVE-2022-4986. Remote exploitation of the attack is possible. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Belden Hirschmann EagleSDV up to 05.4.0/05.4.1. This affects some unknown functionality of the component TLS Connection Handler. The manipulation with an unknown input leads to a resource consumption vulnerability. CWE is classifying the issue as CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. This is going to have an impact on availability. The summary by CVE is:

Hirschmann EagleSDV 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.

It is possible to read the advisory at belden.com. This vulnerability is uniquely identified as CVE-2022-4986 since 04/02/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

Upgrading to version 05.4.01 or 05.4.02 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2022-55960). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Belden

Name

Hirschmann EagleSDV

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (VulnCheck): 🔒

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Resource consumption
CWE: CWE-400 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Hirschmann EagleSDV 05.4.01/05.4.02

Timelineinfo

04/02/2026 CVE reserved
04/02/2026 +0 days VulDB entry created
04/03/2026 +0 days Advisory disclosed
04/03/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: belden.com
Status: Confirmed

CVE: CVE-2022-4986 (🔒)
GCVE (CVE): GCVE-0-2022-4986
GCVE (VulDB): GCVE-100-355035
EUVD: 🔒

Entryinfo

Created: 04/03/2026 00:08
Updated: 04/03/2026 01:54
Changes: 04/03/2026 00:08 (76), 04/03/2026 01:54 (1)
Complete: 🔍
Cache ID: 216:CE6:103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.