CVE-2022-4986 | Belden Hirschmann EagleSDV up to 05.4.0/05.4.1 TLS Connection resource consumption

VDB-355035 · CVE-2022-4986 · EUVD-2022-55960 BELDEN HIRSCHMANN EAGLESDV UP TO 05.4.0/05.4.1 TLS CONNECTION RESOURCE CONSUMPTION HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 7.3 $0-$5k 1.13+ 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). Productinfo Vendor Belden Name Hirschmann EagleSDV Version 05.0 05.1 05.2 05.3 05.4.0 05.4.1 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 Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock 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: 99:981:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸