CVE intelligence and bounded remediation

CVE-2023-41255 — Boschrexroth Ctrlx Hmi Web Panel Wr2107 Firmware security vulnerability

High CVSS 8.8

The vulnerability allows an unprivileged user with access to the subnet of the TPC-110W device to gain a root shell on the device itself abusing the lack of authentication of the ‘su’ binary file installed on the device that can be accessed through the ADB (Android Debug Bridge) protocol exposed on the network.

Severity
High
CVSS
8.8 (3.1)
Published
2023-10-25
CISA KEV
Not currently listed
Ecosystem
operating-system
Weaknesses
CWE-306

Affected products

  • boschrexroth / ctrlx_hmi_web_panel_wr2107_firmware
  • boschrexroth / ctrlx_hmi_web_panel_wr2110_firmware
  • boschrexroth / ctrlx_hmi_web_panel_wr2115_firmware

Matched remediation archetype

Authentication bypass and missing authentication

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Check exposure

  • Map every affected endpoint and protocol path, including alternate ports, legacy routes, recovery flows, service accounts, and machine-to-machine access.
  • Confirm which deployments enable the affected authentication mode and whether the interface is reachable from untrusted networks.
  • Review session, token, credential, and proxy trust configuration without attempting account takeover.

Remediate safely

  • Apply the supported fix and centralize fail-closed authentication before protected request handling.
  • Remove default or embedded credentials, rotate affected secrets and sessions, and bind authentication decisions to the intended audience and channel.
  • Add negative tests for alternate routes, malformed or absent credentials, recovery flows, and proxy-derived identity.

Authoritative sources

Complete CVE record and remediation plan

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