Chunghwa Telecom NOKIA G-040W-Q - Improper Input Validation

published 2023-11-03 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-45858

cvss: 9.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.8%; EPSS 0.8% chance of exploitation in 30 days, percentile 57%
public exploits: 0; none known

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.

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: total
Assessed: 2 y ago (2024-09-06)

Exploit prediction

0.82% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Chunghwa Telecom NOKIA G-040W-Q
nokia g-040w-q_firmware

Classification

Weakness

CWE-940 Improper Verification of Source of a Communication Channel
CWE-20 Improper Input Validation

References

twcert.org.tw /tw/cp-132-7505-a0c94-1.html
third-party-advisory

Sources

CVE List CVE-2023-41355
NVD CVE-2023-41355

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Summary