CVE-2022-4986: Hirschmann EagleSDV version 05.4.01 prior to 05.4.02 contains a denial-of-service vulnerability that causes th

Q: How do I fix CVE-2022-4986?

eaglesdv firmware: upgrade to 05.4.02. Exact commands for each OS are on this page.

Q: Is CVE-2022-4986 being exploited?

CVE-2022-4986 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2022-4986 affect?

CVE-2022-4986 affects eaglesdv firmware. Severity is high (CVSS 7.5). 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 conn

Q: How urgent is CVE-2022-4986?

Priority 41/100. High severity; Remotely exploitable, no login, no user action

This month

HIGH 7.5REMOTEUPGRADE

CVE-2022-4986 is a high-severity flaw (CVSS 7.5) affecting eaglesdv firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 62%)
CISA exploited list	No
Weakness	CWE-400
Published	2026-04-02
Last modified	2026-07-24

Publisher (CNA): VulnCheck · Vendor: beldan

Last updated 2026-07-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-02 22:16 UTCPublished CVE record published
2026-07-24 21:10 UTCUpdated Record last modified

beldan eaglesdv firmware UPGRADE

Affected: < 05.4.02

Fixed in: 05.4.02

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2022-4986?

eaglesdv firmware: upgrade to 05.4.02. Exact commands for each OS are on this page.

Is CVE-2022-4986 being exploited?

CVE-2022-4986 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2022-4986 affect?

CVE-2022-4986 affects eaglesdv firmware. Severity is high (CVSS 7.5). 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 conn

How urgent is CVE-2022-4986?

Priority 41/100. High severity; Remotely exploitable, no login, no user action

References

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