PT-2023-8634 · Korenix · Korenix Jetnet Series

S. Dietz

+1

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Published

2023-08-31

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Updated

2025-10-08

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CVE-2023-5347

CVSS v2.0

10

Critical

VectorAV:N/AC:L/Au:N/C:C/I:C/A:C
Name of the Vulnerable Software and Affected Versions Korenix JetNet Series versions prior to 2024/01
Description The issue is related to an Improper Verification of Cryptographic Signature vulnerability in the update process of Korenix JetNet Series devices. This vulnerability can be exploited by a remote attacker to replace the whole operating system, including Trusted Executables, by sending specially crafted UDP packets to port 5010.
Recommendations For versions prior to 2024/01, update the firmware to version 2024/01 or later to resolve the issue. As a temporary workaround, consider restricting access to the update process and port 5010 to minimize the risk of exploitation.

Exploit

Fix

Use of a Broken Cryptographic Algorithm

Improper Verification of Cryptographic Signature

Weakness Enumeration

Related Identifiers

BDU:2024-01312
CVE-2023-5347

Affected Products

Korenix Jetnet Series