Vulnerability · Published Oct 13, 2026 · Assigned by siemens

CVE-2026-89204

Medium 5.4

In plain English

A medium-severity authorization bypass via user-controlled key in RUGGEDCOM CROSSBOW from Siemens. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 4% of all known vulnerabilities).

Severity (CVSS 3.1)5.4Medium

Exploit odds (30 days)0.1%top 96.4% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
Siemens	RUGGEDCOM CROSSBOW	0 – before V6.0

Weakness: CWE-639 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

References

https://cert-portal.siemens.com/productcert/html/ssa-508506.html