CVE-2023-41355

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2023-11-03. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 9.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
9.8
EG Score
9.8(medium)
EPSS
45.6%
KEV
Not listed

Published

November 3, 2023

Last Modified

June 17, 2026

Advisory Details (1)

Auto-updated Jun 24, 2026
No patch confirmed yet. Sources: cert.
cert

中華電信 NOKIA G-040W-Q-Improper Input Validation-TWCERT/CC台灣電腦網路危機處理暨協調中心|企業資安通報協處|資安情資分享|漏洞通報|資安聯盟|資安電子報

https://www.twcert.org.tw/tw/cp-132-7505-a0c94-1.html

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 9× in last 7d / 46× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-11 08:26 UTCEPSS rescore
  2. 2026-07-11 08:26 UTCEPSS rescore
  3. 2026-07-09 19:08 UTCEPSS rescore
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  17. 2026-06-28 04:55 UTCEPSS rescore
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  1. 2026-06-23 21:31 UTCEPSS rescore
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  4. 2026-06-21 14:55 UTCEPSS rescore
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  6. 2026-06-21 01:58 UTCEPSS rescore
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  8. 2026-06-19 19:24 UTCEPSS rescore
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  10. 2026-06-18 17:51 UTCEPSS rescore
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  22. 2026-06-11 13:59 UTCEPSS rescore
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  24. 2026-06-10 22:17 UTCEPSS rescore
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  40. 2026-06-02 20:12 UTCEPSS rescore
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  44. 2026-05-31 22:30 UTCEPSS rescore
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  46. 2026-05-31 00:15 UTCEPSS rescore
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  48. 2026-05-29 13:43 UTCEPSS rescore
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  50. 2026-05-28 13:44 UTCEPSS rescore
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  52. 2026-05-27 13:39 UTCEPSS rescore
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  56. 2026-05-26 07:18 UTCEPSS rescore
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  58. 2026-05-26 07:18 UTCEPSS rescore
  59. 2026-05-24 14:31 UTCEG score recompute
  60. 2026-05-24 14:31 UTCGHSA enrichment

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2023-41355?
CVE-2023-41355 is a critical vulnerability published on November 3, 2023. 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…
When was CVE-2023-41355 disclosed?
CVE-2023-41355 was first published in the National Vulnerability Database on November 3, 2023, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-41355 actively exploited?
CVE-2023-41355 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 45.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2023-41355?
CVE-2023-41355 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2023-41355?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-41355, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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