Arista Networks stock after-hours at EUR 189.51: plus 2.54 percent versus prior close
Published on 10/06/2026 at 20:05 | Editorial responsibility: Rafael Müller, Editor-in-Chief AD HOC NEWS
Arista Networks stock was at EUR 189.51 after-hours at 8:03 p.m. CEST on October 6, 2026. The price was up 2.54 percent versus the prior close of EUR 184.81 at Lang & Schwarz.
Trading day in Frankfurt time
The Lang & Schwarz quote showed a bid of EUR 189.28 and an ask of EUR 189.74. The further course of after-hours trading at Lang & Schwarz until 11:00 p.m. CET/CEST is shown by the continuously updated real-time quote of Arista Networks stock.
Arista schedules security-advisory release
In Security Advisory 0184, Arista said on September 29 that it planned to publish multiple security advisories on October 6. The company said the release would cover CloudVision on-premises, CV-CUE on-premises and Wi-Fi Access Point software, with details including CVE information, severity scores, affected versions and remediation instructions. Arista's advisory described the notice as advance information for customers.
DHCP relay vulnerability details
In a separate security advisory, Arista identified CVE-2026-19655 in affected EOS configurations using DHCP relay or snooping with the Option 82 information option. The company said a specially crafted packet could cause the DHCP Relay service to restart and that it was not aware of malicious exploitation in customer networks. Arista listed fixes in EOS releases 4.35.6M, 4.34.8M and 4.33.10M, with no hotfix available. The company’s advisory dated the initial revision September 9, 2026.
