CVE-2023-43511

HIGHNVD 7.57.5—

7.5

Transient DOS while parsing IPv6 extension header when WLAN firmware receives an IPv6 packet that contains IPPROTO_NONE as the next header.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 55.8%
KEV: Not listed

Published

January 2, 2024

Last Modified

August 11, 2025

References (2)

product-security@qualcommhttps://www.qualcomm.com/company/product-security/bulletins/january-2024-bulletin
af854a3a-2127-422b-91ae-364da2661108https://www.qualcomm.com/company/product-security/bulletins/january-2024-bulletin

Weakness Classification(1)

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

CWE-835Loop with Unreachable Exit Condition (Infinite Loop)

Data Freshness Timeline

(refreshed 12× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-24 11:12 UTCEG score recompute

Frequently asked(5)

What is CVE-2023-43511?

CVE-2023-43511 is a high vulnerability published on January 2, 2024. Transient DOS while parsing IPv6 extension header when WLAN firmware receives an IPv6 packet that contains IPPROTO_NONE as the next header.

When was CVE-2023-43511 disclosed?

CVE-2023-43511 was first published in the National Vulnerability Database on January 2, 2024, with the most recent update on August 11, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-43511 actively exploited?

CVE-2023-43511 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 55.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-43511?

CVE-2023-43511 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2023-43511?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-43511, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2023-43511

Explore →

Is Your Infrastructure Affected by CVE-2023-43511?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs

CVE-2023-43511

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-43511?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (2)

Frequently asked(5)

Related CVEs(same CWE)