CVE-2024-23911

Name: CVE-2024-23911
Creator: NVD / NIST
Published: 2024-04-15T11:15:08.227+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.61%

Last modified Jun 17, 2026

CVE-2024-23911 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Out-of-bounds read vulnerability caused by improper checking of the option length values in IPv6 NDP packets exists in Cente middleware TCP/IP Network Series, which may allow an unauthenticated attacker to stop the device operations by sending a specially crafted packet.. EPSS estimates a 0.61% chance of exploitation in the next 30 days.

Description

Out-of-bounds read vulnerability caused by improper checking of the option length values in IPv6 NDP packets exists in Cente middleware TCP/IP Network Series, which may allow an unauthenticated attacker to stop the device operations by sending a specially crafted packet.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.61%

44.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-125

Affected Software

Vendor	Product	Versions
Nxtech	Cente Ipv6	<= 1.51
Nxtech	Cente Ipv6 Snmpv2	<= 2.30
Nxtech	Cente Ipv6 Snmpv3	<= 2.30

References

https://jvn.jp/en/vu/JVNVU94016877/Third Party Advisory
https://www.cente.jp/obstacle/4960/Vendor Advisory
https://jvn.jp/en/vu/JVNVU94016877/Third Party Advisory
https://www.cente.jp/obstacle/4960/Vendor Advisory

Timeline

Published: Apr 15, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-23911?

How severe is CVE-2024-23911?

CVE-2024-23911 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.61% probability of exploitation in the next 30 days.

How do I fix CVE-2024-23911?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-23911?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST