CVE-2026-73449

Arista EOS is vulnerable when both 802.1X port authentication and RADIUS proxy are configured with dynamic authorization. A low-privileged attacker on an adjacent network segment can induce a RADIUS packet through a configured RADIUS proxy client, preventing Change-of-Authorization (CoA) and Disc...

CVE-2026-73449 On affected platforms running Arista EOS with both 802.1X port authentication and the RADIUS proxy feature configured with dynamic authorization, a low-privileged attacker on an adjacent network segment who induces a RADIUS packet through a configured RADI

On affected platforms running Arista EOS with both 802.1X port authentication and the RADIUS proxy feature configured with dynamic authorization, a low-privileged attacker on an adjacent network segment who induces a RADIUS packet through a configured RADIUS proxy client can prevent RADIUS dynami...

CVE-2026-73449 On affected platforms running Arista EOS with both 802.1X port authentication and the RADIUS proxy feature configured with dynamic authorization, a low-privileged attacker on an adjacent network segment who induces a RADIUS packet through a configured RADI

On affected platforms running Arista EOS with both 802.1X port authentication and the RADIUS proxy feature configured with dynamic authorization, a low-privileged attacker on an adjacent network segment who induces a RADIUS packet through a configured RADIUS proxy client can prevent RADIUS dynami...

PT-2026-91748

On affected platforms running Arista EOS with both 802.1X port authentication and the RADIUS proxy feature configured with dynamic authorization, a low-privileged attacker on an adjacent network segment who induces a RADIUS packet through a configured RADIUS proxy client can prevent RADIUS dynami...

CVE-2026-73449: Authentication Bypass by Spoofing

On affected platforms running Arista EOS with both 802.1X port authentication and the RADIUS proxy feature configured with dynamic authorization, a low-privileged attacker on an adjacent network segment who induces a RADIUS packet through a configured RADIUS proxy client can prevent RADIUS dynami...

Vulnerabilities hidden in Arista EOS

Arista has identified vulnerabilities in the Arista EOS platform. The vulnerability with identifier CVE-2026-73456 occurs during the processing of requests sent via gNPSI. Under this vulnerable configuration, an unauthenticated client can send malicious requests, potentially leading to code...

Security Advisory 0177

Security Advisory 0177 . CSAF PDF Date: September 9, 2026 Revision | Date | Changes ---|---|--- 1.0 | September 9, 2026 | Initial release 1.1 | September 17, 2026 | Moved 7368X4 Series to Affected 1.2 | September 22, 2026 | CSAF JSON file added The CVE-ID tracking this issue: CVE-2026-77190...

Security Advisory 0171

Security Advisory 0171 . CSAF PDF Date: September 9, 2026 Revision | Date | Changes ---|---|--- 1.0 | September 9, 2026 | Initial release 1.1 | September 22, 2026 | CSAF JSON file added The CVE-ID tracking this issue: CVE-2026-73435 CVSSv3.1 Base Score: 8.2...

Security Advisory 0170

Security Advisory 0170 . CSAF PDF Date: September 9, 2026 Revision | Date | Changes ---|---|--- 1.0 | September 9, 2026 | Initial release 1.1 | September 22, 2026 | CSAF JSON file added The CVE-ID tracking this issue: CVE-2026-19640 CVSSv3.1 Base Score: 4.2...

Security Advisory 0169

Security Advisory 0169 . CSAF PDF Date: September 9, 2026 Revision | Date | Changes ---|---|--- 1.0 | September 9, 2026 | Initial release 1.1 | September 22, 2026 | CSAF JSON file added The CVE-ID tracking this issue: CVE-2026-73463 CVSSv3.1 Base Score: 5.3...

Security Advisory 0168

Security Advisory 0168 . CSAF PDF Date: September 9, 2026 Revision | Date | Changes ---|---|--- 1.0 | September 9, 2026 | Initial release 1.1 | September 22, 2026 | CSAF JSON file added The CVE-ID tracking this issue: CVE-2026-2380 CVSSv3.1 Base Score: 7.4...

Security Advisory 0172

Security Advisory 0172 . CSAF PDF Date: September 9, 2026 Revision | Date | Changes ---|---|--- 1.0 | September 9, 2026 | Initial release 1.1 | September 22, 2026 | CSAF JSON file added The CVE-ID tracking this issue: CVE-2026-73438 CVSSv3.1 Base Score: 5.3...

Security Advisory 0165

Security Advisory 0165 . CSAF PDF Date: September 9, 2026 Revision | Date | Changes ---|---|--- 1.0 | September 9, 2026 | Initial release 1.1 | September 22, 2026 | CSAF JSON file added The CVE-ID tracking this issue: CVE-2026-73454 CVSSv3.1 Base Score: 8.1...

Security Advisory 0164

Security Advisory 0164 . CSAF PDF Date: September 9, 2026 Revision | Date | Changes ---|---|--- 1.0 | September 9, 2026 | Initial release 1.1 | September 22, 2026 | CSAF JSON file added The CVE-ID tracking this issue: CVE-2026-73439 CVSSv3.1 Base Score: 7.5...

Security Advisory 0163

Security Advisory 0163 . CSAF PDF Date: September 9, 2026 Revision | Date | Changes ---|---|--- 1.0 | September 9, 2026 | Initial release 1.1 | September 22, 2026 | CSAF JSON file added The CVE-ID tracking this issue: CVE-2026-73461 CVSSv3.1 Base Score: 8.0...

Security Advisory 0162

Security Advisory 0162 . CSAF PDF Date: September 9, 2026 Revision | Date | Changes ---|---|--- 1.0 | September 9, 2026 | Initial release 1.1 | September 22, 2026 | CSAF JSON file added The CVE-ID tracking this issue: CVE-2026-73447 CVSSv3.1 Base Score: 9.1...

Security Advisory 0150

Security Advisory 0150 . CSAF PDF Date: September 9, 2026 Revision | Date | Changes ---|---|--- 1.0 | September 9, 2026 | Initial release 1.1 | September 22, 2026 | CSAF JSON file added Description All of the CVEs covered in this advisory apply to affected platforms running Arista EOS with 802.1X...

Security Advisory 0149

Security Advisory 0149 . CSAF PDF Date: September 9, 2026 Revision | Date | Changes ---|---|--- 1.0 | September 9, 2026 | Initial release 1.1 | September 22, 2026 | CSAF JSON file added The CVE-ID tracking this issue: CVE-2026-73449 CVSSv3.1 Base Score: 5.9...

Security Advisory 0167

Security Advisory 0167 . CSAF PDF Date: September 9, 2026 Revision | Date | Changes ---|---|--- 1.0 | September 9, 2026 | Initial release 1.1 | September 22, 2026 | CSAF JSON file added The CVE-ID tracking this issue: CVE-2026-73445 CVSSv3.1 Base Score: 4.9...

Security Advisory 0159

Security Advisory 0159 . CSAF PDF Date: September 9, 2026 Revision | Date | Changes ---|---|--- 1.0 | September 9, 2026 | Initial release 1.1 | September 22, 2026 | CSAF JSON file added The CVE-ID tracking this issue: CVE-2026-73462 CVSSv3.1 Base Score: 6.5...