CVE-2026-20173: Cisco NX-OS Software 8.2(5), 7.3(5)D1(1), 8.4(2), 8.4(3), 9.2(3), 9.2(2v), 7.3(4)D1(1), 8.2(1), 9.2(1), 9.2(2t)…

Affected technology

Cisco NX-OS Software · 8.2(5), 7.3(5)D1(1), 8.4(2), 8.4(3), 9.2(3), 9.2(2v), 7.3(4)D1(1), 8.2(1), 9.2(1), 9.2(2t), 9.2(3y), 9.3(2), 8.1(1), 8.2(2), 8.3(2), 7.3(2)D1(3a), 9.2(4), 8.1(2), 7.3(3)D1(1), 8.2(3), 8.4(1), 7.3(0)DX(1), 7.3(2)D1(1), 9.3(1), 7.3(2)D1(2), 8.2(4), 9.3(1z), 9.2(2), 8.1(2a), 7.3(2)D1(3), 8.3(1), 7.3(1)D1(1), 7.3(0)D1(1), 9.3(3), 7.3(2)D1(1d), 9.3(4), 7.3(6)D1(1), 8.2(6), 9.3(5), 9.3(6), 8.4(4), 7.3(7)D1(1), 9.3(5w), 8.2(7), 9.3(7), 9.3(7k), 7.3(8)D1(1), 9.3(7a), 8.2(7a), 9.3(8), 8.4(4a), 8.4(5), 8.2(8), 9.3(9), 7.3(9)D1(1), 8.4(6), 9.3(10), 8.2(9), 10.3(1), 8.4(7), 10.3(2), 8.4(6a), 9.3(11), 10.3(3), 8.2(10), 9.3(12), 10.4(1), 8.4(8), 10.3(99w), 10.3(3w), 10.3(99x), 10.3(3o), 8.4(9), 10.3(4), 10.3(3p), 10.3(4a), 10.4(2), 10.3(3q), 9.3(13), 8.2(11), 10.3(5), 10.4(3), 10.3(3x), 10.3(4g), 10.5(1), 8.4(10), 10.3(3r), 10.3(6), 9.3(14), 10.4(4), 10.3(4h), 10.5(2), 8.4(11), 10.3(7), 10.4(5), 10.5(3), 9.3(15), 10.4(4g), 10.5(4), 8.4(12), 10.5(3t), 10.3(8), 10.4(6), 10.5(3s), 10.5(3e), 10.5(3o), 9.3(16), 10.5(3p), 10.4(7), 10.5(5), 9.3(17)
Cisco

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

What an attacker can do

An unauthenticated, remote attacker could exhaust system resources, causing a denial of service (DoS) condition. Vendor/CNA’s CVSS 3.1 assessment (base score 5.8/10) rates confidentiality and integrity impact as none; availability impact as low.