What’s Vulnerable › Vulnerabilities

CVE-2021-41546

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-10-12 · updated 2026-06-17
• Weakness: CWE-400

Description

A vulnerability has been identified in RUGGEDCOM ROX MX5000 (All versions < V2.14.1), RUGGEDCOM ROX RX1400 (All versions < V2.14.1), RUGGEDCOM ROX RX1500 (All versions < V2.14.1), RUGGEDCOM ROX RX1501 (All versions < V2.14.1), RUGGEDCOM ROX RX1510 (All versions < V2.14.1), RUGGEDCOM ROX RX1511 (All versions < V2.14.1), RUGGEDCOM ROX RX1512 (All versions < V2.14.1), RUGGEDCOM ROX RX1524 (All versions < V2.14.1), RUGGEDCOM ROX RX1536 (All versions < V2.14.1), RUGGEDCOM ROX RX5000 (All versions < V2.14.1). Affected devices write crashdumps without checking if enough space is available on the filesystem. Once the crashdump fills the entire root filesystem, affected devices fail to boot successfully. An attacker can leverage this vulnerability to cause a permanent Denial-of-Service.

Affected products

• Siemens Ruggedcom Rox Mx5000 Firmware: before 2.14.1 — fixed in 2.14.1
• Siemens Ruggedcom Rox Rx1400 Firmware: before 2.14.1 — fixed in 2.14.1
• Siemens Ruggedcom Rox Rx1500 Firmware: before 2.14.1 — fixed in 2.14.1
• Siemens Ruggedcom Rox Rx1501 Firmware: before 2.14.1 — fixed in 2.14.1
• Siemens Ruggedcom Rox Rx1510 Firmware: before 2.14.1 — fixed in 2.14.1
• Siemens Ruggedcom Rox Rx1511 Firmware: before 2.14.1 — fixed in 2.14.1
• Siemens Ruggedcom Rox Rx1512 Firmware: before 2.14.1 — fixed in 2.14.1
• Siemens Ruggedcom Rox Rx1524 Firmware: before 2.14.1 — fixed in 2.14.1
• Siemens Ruggedcom Rox Rx1536 Firmware: before 2.14.1 — fixed in 2.14.1
• Siemens Ruggedcom Rox Rx5000 Firmware: before 2.14.1 — fixed in 2.14.1

How to fix

Upgrade to a fixed version: Siemens Ruggedcom Rox Mx5000 Firmware 2.14.1; Siemens Ruggedcom Rox Rx1400 Firmware 2.14.1; Siemens Ruggedcom Rox Rx1500 Firmware 2.14.1; Siemens Ruggedcom Rox Rx1501 Firmware 2.14.1; Siemens Ruggedcom Rox Rx1510 Firmware 2.14.1; Siemens Ruggedcom Rox Rx1511 Firmware 2.14.1; Siemens Ruggedcom Rox Rx1512 Firmware 2.14.1; Siemens Ruggedcom Rox Rx1524 Firmware 2.14.1; Siemens Ruggedcom Rox Rx1536 Firmware 2.14.1; Siemens Ruggedcom Rox Rx5000 Firmware 2.14.1. Check the vendor advisory for mitigations.

References

• https://cert-portal.siemens.com/productcert/pdf/ssa-173565.pdf
• https://cert-portal.siemens.com/productcert/pdf/ssa-173565.pdf

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