HOMEVULNERABILITIESCVE-2023-41355
CRITICAL

CVE-2023-41355

CWE-940Published: November 3, 2023· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2023-41355 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

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 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

nokia2 product(s)
g-040w-q firmwareg-040w-q
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (2)

Quick Facts

CVE IDCVE-2023-41355
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-940
CISA KEVNo
Affected1 vendor(s)
PublishedNov 3, 2023

Related CVEs (CWE-940)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2023-41355 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.