High severity · published Apr 2, 2026
CVE-2022-4986
Hirschmann EagleSDV Denial of Service via TLS
7.5
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 38% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HE
Hirschmann EagleSDV · Belden
through 05.4.01 · source: vendor
EF
Eaglesdv Firmware · Beldan
before 05.4.02 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-4986
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-4986
Third Party Advisory
https://assets.belden.com/m/1c8fe5d916567af6/original/Belden_Security_Bulletin_BSECV-2022-08.pdf
Third Party Advisory
https://www.vulncheck.com/advisories/hirschmann-eaglesdv-denial-of-service-via-tls
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