CVE-2026-6525

MEDIUMNVD 5.55.5—Trending — 3 sources updated this weekElevated

5.5

IEEE 802.11 protocol dissector crash in Wireshark 4.6.0 to 4.6.4

CVSS v3: 5.5
EG Score: 5.5(medium)
EPSS: 0.1%
KEV: Not listed

Published

May 2, 2026

Last Modified

May 5, 2026

Advisory Details (2)

Auto-updated May 2, 2026

No patch confirmed yet.

generic

Wireshark • Go Deep | Wireshark • wnpa-sec-2026-36 IEEE 802.11 protocol dissector crash

https://www.wireshark.org/security/wnpa-sec-2026-36.html

generic

Crash in IEEE 802.11 - dissect_multi_link (#21008) · Issues · Wireshark Foundation / Wireshark · GitLab

https://gitlab.com/wireshark/wireshark/-/work_items/21008

Weakness Classification(1)

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

CWE-476NULL Pointer Dereference

Data Freshness Timeline

(refreshed 20× in last 7d / 20× 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.

2026-06-09 09:40 UTCEG score recompute
2026-06-09 09:40 UTCGHSA enrichment
2026-06-08 14:17 UTCEPSS rescore
2026-06-08 09:02 UTCEG score recompute
2026-06-08 09:02 UTCGHSA enrichment
2026-06-07 15:25 UTCEPSS rescore
2026-06-07 09:14 UTCEG score recompute
2026-06-07 09:14 UTCGHSA enrichment
2026-06-06 13:47 UTCEPSS rescore
2026-06-06 09:27 UTCEG score recompute
2026-06-06 09:26 UTCGHSA enrichment
2026-06-05 22:47 UTCEPSS rescore
2026-06-05 09:39 UTCEG score recompute
2026-06-05 09:39 UTCGHSA enrichment
2026-06-05 06:10 UTCEPSS rescore
2026-06-04 13:12 UTCEPSS rescore
2026-06-04 09:44 UTCEG score recompute
2026-06-04 09:44 UTCGHSA enrichment
2026-06-03 09:56 UTCEG score recompute
2026-06-03 09:56 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2026-6525?

CVE-2026-6525 is a medium vulnerability published on May 2, 2026. IEEE 802.11 protocol dissector crash in Wireshark 4.6.0 to 4.6.4

When was CVE-2026-6525 disclosed?

CVE-2026-6525 was first published in the National Vulnerability Database on May 2, 2026, with the most recent update on May 5, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-6525 actively exploited?

CVE-2026-6525 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-6525?

CVE-2026-6525 has a CVSS v3 base score of 5.5 (NVD).

How do I remediate CVE-2026-6525?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-6525, 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-2026-6525

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Is Your Infrastructure Affected by CVE-2026-6525?

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CVE-2026-6525

📅 Published

🔄 Last Modified

📋 Advisory Details (2)