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CRITICALCVE-2026-2249Published Modified CNA MHV

CVE-2026-2249: Unauthenticated Remote Command Execution via Web Console in METIS DFS

METIS DFS devices (versions <= oscore 2.1.234-r18) expose a web-based shell at the /console endpoint that does not require authentication. Accessing this endpoint allows a remote attacker to execute arbitrary operating system commands with 'daemon' privileges. This results in the compromise of the software, granting unauthorized access to modify configuration, read and alter sensitive data, or disrupt services.

Metrics

CVSS v3.1
9.8
Severity
CRITICAL
Fixed in
oscore 2.1.235-r19
Affected Products
1

Fix available

oscore 2.1.235-r19
Affected packages
  • METIS Cyberspace Technology SA / METIS DFS
    oscore 2.1.234-r18
    Fixed in oscore 2.1.235-r19
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H