ZDI-25-1019: Arista NG Firewall replace_marker Exposed Dangerous Function Authentication Bypass Vulnerability
This vulnerability allows remote attackers to to bypass authentication on affected installations of Arista NG Firewall. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The ZDI has assigned a CVSS rating of 8.8. The following CVEs are assigned: CVE-2025-6979.
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-25-1019?
The severity of ZDI-25-1019 is determined by its potential to allow unauthorized remote access to the affected systems.
How do I fix ZDI-25-1019?
To fix ZDI-25-1019, ensure you update your Arista NG Firewall to the latest security patch provided by Arista Networks.
What are the risks associated with ZDI-25-1019?
The risks of ZDI-25-1019 include unauthorized access and potential manipulation of the affected NG Firewall installations.
Is user interaction necessary to exploit ZDI-25-1019?
Yes, user interaction is required to exploit ZDI-25-1019, as the target must visit a malicious page or open a malicious file.
Which software is affected by ZDI-25-1019?
ZDI-25-1019 affects installations of Arista Networks NG Firewall.