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PatchSiren cyber security CVE debrief

CVE-2026-5416 TURCK CVE debrief

CVE-2026-5416 is a high-severity command injection vulnerability in a Managed Ethernet Switch. A low-privileged remote attacker can exploit this vulnerability by improperly neutralizing special elements used in a name parameter, resulting in full system compromise. The vulnerability has a CVSS score of 8.7 and is classified as HIGH severity.

Vendor
TURCK
Product
TBEN-LL-SE-M2
CVSS
HIGH 8.7
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-16
Original CVE updated
2026-06-16
Advisory published
2026-06-16
Advisory updated
2026-06-16

Who should care

Administrators and users of Managed Ethernet Switches should be aware of this vulnerability and take necessary actions to mitigate it.

Technical summary

The vulnerability is caused by improper neutralization of special elements used in a name parameter, allowing a low-privileged remote attacker to inject commands. The CVSS vector is CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X.

Defensive priority

HIGH

Recommended defensive actions

  • Apply patches or updates provided by the vendor to fix the vulnerability.
  • Restrict access to the Managed Ethernet Switch to only authorized personnel.
  • Monitor the system for suspicious activity.

Evidence notes

The vulnerability was reported by Certvde ([email protected]) and is tracked under VDE-2026-038.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-5416 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-5416

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-5416 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-5416

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.