CVE•Published 2026-09-16•Modified 2026-09-16•0 articles on news•5 live references•NVD data
CVE-2026-73446
Vulnerability data via NVD (ingested)
CVSS v3.1
7.4
HIGH
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
EPSS percentile
—
Weaknesses (CWE)
Description
On affected platforms running Arista EOS with IS-IS configured on a broadcast interface, an unauthenticated attacker can send a crafted IS-IS Hello Protocol Data Unit (PDU) that causes the device to tear down an established IS-IS adjacency. This may result in traffic disruption and loss of IP reachability for prefixes advertised through that adjacency.
Timeline
Published 2026-09-16
Modified 2026-09-16
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
More intel sources (5)
Shodan report
vuln:CVE-2026-73446Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-73446Censys host search filtered to this CVE id.
grep.app
CVE-2026-73446Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-73446GitHub code search for direct mentions.
Google dork
"CVE-2026-73446" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-73446 on GitHub.
We haven't classified any articles referencing CVE-2026-73446 yet. The external references above still apply.