CVE-2023-41355

Name: CVE-2023-41355
Creator: NVD / NIST
Published: 2023-11-03T06:15:07.63+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.62%

Last modified Jun 17, 2026

CVE-2023-41355 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Chunghwa Telecom NOKIA G-040W-Q Firewall function has a vulnerability of input validation for ICMP redirect messages. An unauthenticated remote attacker can exploit this vulnerability by sending a crafted package to modify the network routing table, resulting in a denial of service or sensitive information leaking.. EPSS estimates a 0.62% chance of exploitation in the next 30 days.

Description

Chunghwa Telecom NOKIA G-040W-Q Firewall function has a vulnerability of input validation for ICMP redirect messages. An unauthenticated remote attacker can exploit this vulnerability by sending a crafted package to modify the network routing table, resulting in a denial of service or sensitive information leaking.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

0.62%

45.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Nokia	G-040w-Q Firmware	g040wqr201207

References

https://www.twcert.org.tw/tw/cp-132-7505-a0c94-1.htmlThird Party Advisory
https://www.twcert.org.tw/tw/cp-132-7505-a0c94-1.htmlThird Party Advisory

Timeline

Published: Nov 3, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-41355?

How severe is CVE-2023-41355?

CVE-2023-41355 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.62% probability of exploitation in the next 30 days.

How do I fix CVE-2023-41355?

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-2023-41355?

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

Scan your code now

Source: NVD / NIST