Auth bypass in Siemens Ruggedcom Crossbow

CVE-2026-89204

A vulnerability has been identified in RUGGEDCOM CROSSBOW (All versions < V6.0). Affected devices do not properly restrict access to database queries used for subnet management. This could allow an authenticated attacker to read, modify, or delete subnet configurations, leading to unauthorized information disclosure and data manipulation.

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-89204?
CVE-2026-89204 is a medium-severity vulnerability in Siemens Ruggedcom Crossbow, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 5.4/10. Published 2026-10-13.
How severe is CVE-2026-89204?
Medium severity. CVSS v3 base score is 5.4 out of 10.