Full Report
Researchers from Nozomi Networks Labs analyzed a Phoenix Contact mGuard industrial router, uncovering 12 vulnerabilities during a comprehensive... The post Nozomi detects 12 security flaws in Phoenix Contact mGuard industrial router, risking remote code execution appeared first on Industrial Cyber.
Analysis Summary
# Vulnerability: Multiple Flaws in Phoenix Contact mGuard Industrial Router Leading to RCE
## CVE Details
- CVE ID: Not explicitly listed in the provided text. (The article mentions 12 flaws, but specific CVEs are omitted.)
- CVSS Score: Not explicitly listed.
- CWE: Not explicitly listed.
## Affected Systems
- Products: Phoenix Contact mGuard industrial router
- Versions: Inferred to be specific versions prior to patching, as detailed in the vendor advisory.
- Configurations: Flaws are exploitable via the Wide Area Network (WAN) interface with low-level permissions.
## Vulnerability Description
Nozomi Networks researchers discovered 12 security flaws in the web interface of the Phoenix Contact mGuard industrial router. The four riskiest vulnerabilities specifically allow for **authenticated Remote Code Execution (RCE) with root privileges**. These flaws can be exploited remotely via the WAN interface, potentially allowing an attacker with low-level permissions to gain full control over the device and establish a foothold within the managed industrial network.
## Exploitation
- Status: Potential for exploitation exists; the article implies the risk is high but does not confirm in-the-wild exploitation.
- Complexity: Low (Implied, as low-level permissions and remote WAN access are specified vectors).
- Attack Vector: Network (Remotely via WAN interface)
## Impact
- Confidentiality: High (Ability to obtain full control/network foothold)
- Integrity: High (Ability to obtain full control/network foothold)
- Availability: High (Ability to obtain full control/network foothold)
## Remediation
### Patches
- Patches addressing the 12 vulnerabilities have been released by Phoenix Contact. Specific patch versions must be obtained from the official vendor advisory.
### Workarounds
- No specific workarounds were detailed in the provided text, but standard network segmentation to restrict WAN access (if possible) should be considered until patching is complete.
## Detection
- Detection methods focus on monitoring the mGuard device activity, particularly login attempts and unusual command executions against the web interface or underlying operating system processes once authenticated access is achieved.
- Indicators of Compromise (IOCs) would be detailed within the vendor’s official security advisory, referencing the application of unauthorized root access or configuration changes.
## References
- Vendor Advisory: Phoenix Contact’s official advisory: `https://dam-mdc.phoenixcontact.com/assets/harmonizing-risk-and-consequence-strategies-across-it-and-ot-environments-for-greater-cyber-resilience/`