What is CVE-2022-4986?

CVE-2022-4986 is a high-severity vulnerability in Beldan Eaglesdv, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2026-04-02.

How severe is CVE-2022-4986?

High severity. CVSS v3 base score is 7.5 out of 10.

Resource exhaustion in Beldan Eaglesdv

CVE-2022-4986

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.

Vulnerability class: DoS (Denial of Service)

Published 2026-04-02 · last modified 2026-07-24.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.004 (35.6th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 35.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Beldan Eaglesdv
Beldan Eaglesdv Firmware
Belden Hirschmann Eaglesdv — versions 05.4.02, 0

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

assets.belden.com/m/1c8fe5d916567af6/original/Belden_Security_Bulletin_BSECV-20… (vendor-advisory, Third Party Advisory)
www.vulncheck.com/advisories/hirschmann-eaglesdv-denial-of-service-via-tls (Third Party Advisory)

Frequently asked questions

What is CVE-2022-4986?: CVE-2022-4986 is a high-severity vulnerability in Beldan Eaglesdv, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2026-04-02.
How severe is CVE-2022-4986?: High severity. CVSS v3 base score is 7.5 out of 10.