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Advisory 2026-3341 - Arista EOS: Multiple Vulnerabilities

Notice: You can now also find information from the Vulnerability Advisory Service in the CTI portal!
The CTI portal is available at the following address: https://cti-portal.telekom.net/advisories/2026-3341

Date

2026-09-16

State

2026-09-16

Risk*

Damage: HIGH
Attack Probability: MEDIUM-HIGH

Attack

An attacker can exploit multiple vulnerabilities in Arista EOS in order to disclose sensitive keys, passwords, or TACACS+ secrets, impair security and access controls, disrupt network or authentication services, provision user accounts with elevated privileges, and in the most severe case, execute arbitrary code with root privileges on the affected switch

Notice: Further details on this vulnerability advisory is available to registered customers after having logged in or via our daily advisory email.

* The probability of an attack is determined by the attacker's motivation, the necessary expend and the possibilities for an attack. The damage probability is determined by the expend needed to resolute the attack and probable indirecte consequences of an attack for business processes. Telekom Security assumes worst case scenarios.

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