GCVE-110-NCSC-2026-338

Advisory PublishedCVSS 5.9/10

Vulnetix · Advisory published September 3, 2026

A vulnerability in Cisco Nexus 9000 Series Switches' Silicon One integration allows unauthenticated remote attackers to execute root-level code via accessible TCP ports 43210 and 43211, potentially causing device crashes and reloads.

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Weaknesses (CWE)

CWE-1327Binding to an Unrestricted IP AddressCWE-354Improper Validation of Integrity Check Value

Risk Scores

CVSS 3.1

5.9/10

Medium · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected Products

Vendor	Product	Versions	Platforms
Cisco	vers:unknown/*	—	—

Aliases

CVE-2026-20212 CVE-2026-20274 CVE-2026-20275 CVE-2026-20276 CVE-2026-20277 CVE-2026-20278 CVE-2026-20279 CVE-2026-20280 CVE-2026-20354 CVE-2026-20355

References

advisory

Explore Further

Investigate this vulnerability in the interactive console or download the raw GCVE record.

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