🛡️ CVE-2023-5347
🔴 CVSS 9.8 — Critical ⚠️ Exploit Public CWE-327 NVD
9.8
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

An Improper Verification of Cryptographic Signature vulnerability in the update process of Korenix JetNet Series allows replacing the whole operating system including Trusted Executables. This issue affects JetNet devices older than firmware version 2024/01.

Details

Severity CRITICAL
CVSS Score 9.8
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE CWE-327
Public Exploit ⚠️ Yes
Source NVD
Published 2024-01-09
Updated 2026-06-08
Modified 2025-10-08
Fix URL N/A

Affected Packages

Software From version Fixed in
jetnet-4508-firmware
jetnet-4508-w-firmware
jetnet-4508f-m-firmware
jetnet-4508f-mw-firmware
jetnet-4508f-s-firmware
jetnet-4508f-sw-firmware
jetnet-4508i-w-firmware
jetnet-4508if-m-firmware
jetnet-4508if-mw-firmware
jetnet-4508if-s-firmware
jetnet-4508if-sw-firmware
jetnet-5310g-firmware
jetnet-5612g-4f-firmware
jetnet-5612gp-4f-firmware
jetnet-5620g-4c-firmware
jetnet-5728g-24p-ac-2dc-eu-firmware
jetnet-5728g-24p-ac-2dc-us-firmware
jetnet-6528gf-2ac-eu-firmware
jetnet-6528gf-2ac-us-firmware
jetnet-6528gf-2dc24-firmware
jetnet-6528gf-2dc48-firmware
jetnet-6528gf-ac-eu-firmware
jetnet-6528gf-ac-us-firmware
jetnet-6628x-4f-eu-firmware
jetnet-6628xp-4f-us-firmware
jetnet-6728g-24p-ac-2dc-eu-firmware
jetnet-6728g-24p-ac-2dc-us-firmware
jetnet-6828gf-2ac-au-firmware
jetnet-6828gf-2ac-eu-firmware
jetnet-6828gf-2ac-us-firmware
jetnet-6828gf-2dc24-firmware
jetnet-6828gf-2dc48-firmware
jetnet-6828gf-ac-dc24-eu-firmware
jetnet-6828gf-ac-dc24-us-firmware
jetnet-6828gf-ac-us-firmware
jetnet-6910g-m12-hvdc-firmware
jetnet-7310g-v2-firmware
jetnet-7628x-4f-eu-firmware
jetnet-7628x-4f-us-firmware
jetnet-7628xp-4f-eu-firmware
jetnet-7628xp-4f-us-firmware
jetnet-7714g-m12-hvdc-firmware

References

Exploit, Mailing List, Third Party Advisory http://seclists.org/fulldisclosure/2024/Jan/11
Exploit, Mailing List, Third Party Advisory http://seclists.org/fulldisclosure/2024/Jan/11

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