PT-2023-8634 · Korenix · Korenix Jetnet Series
S. Dietz
+1
·
Published
2023-08-31
·
Updated
2025-10-08
·
CVE-2023-5347
CVSS v2.0
10
Critical
| Vector | AV: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
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Related Identifiers
Affected Products
Korenix Jetnet Series