CVE-2023-4929
CWE-354Published: October 3, 2023· Updated: Jun 17, 2026
Official Description
All firmware versions of the NPort 5000 Series are affected by an improper validation of integrity check vulnerability. This vulnerability results from insufficient checks on firmware updates or upgrades, potentially allowing malicious users to manipulate the firmware and gain control of devices.
Technical Analysis
CVE-2023-4929 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (2)
Quick Facts
Related CVEs (CWE-354)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2023-4929 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts