Description
Hirschmann EagleSDV firmware prior to 05.4.02 contains a denial-of-service vulnerability in TLS session establishment. Attackers can crash the device during TLS handshake by exploiting protocol downgrades to TLS 1.0 or TLS 1.1, interrupting service availability.
References (3)
Core 3
Core References
Vendor Advisory
https://www.belden.com/security
Vendor Advisory vendor-advisory
https://assets.belden.com/m/774d24c02be5c220/original/Belden_Security_Bulletin_BSECV-2024-16.pdf
Third Party Advisory third-party-advisory
https://www.vulncheck.com/advisories/hirschmann-industrial-it-hilcos-heap-overflow-dos
Scores
CVSS v3
7.5
EPSS
0.0043
EPSS Percentile
34.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-400
Status
published
Products (2)
Belden/Hirschmann EagleSDV
< 05.4.01
Belden/Hirschmann EagleSDV
05.4.02
Published
Apr 02, 2026
Tracked Since
Apr 03, 2026