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PatchSiren cyber security CVE debrief

CVE-2026-101001 Netcore CVE debrief

A vulnerability was identified in Netcore NBR200V2 1.3.241127.071246, impacting the function eval of the file /www/cgi-bin/network_tools of the component Web Management Interface. Manipulation of the argument QUERY_STRING leads to os command injection, which can be launched remotely. The exploit is publicly available. This critical vulnerability allows remote os command injection, potentially disrupting operations and compromising security. Defenders should assess exposure and prioritize verification of the Web Management Interface for potential os command injection vulnerabilities.

Vendor
Netcore
Product
NBR200V2
CVSS
CRITICAL 9.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-09-28
Original CVE updated
2026-09-28
Advisory published
2026-09-28
Advisory updated
2026-09-28

Who should care

Defenders responsible for Netcore NBR200V2 1.3.241127.071246 devices, especially those with remote access enabled, should assess exposure and prioritize verification of the Web Management Interface for potential os command injection vulnerabilities.

Why it matters

CVE-2026-101001 is a critical os command injection vulnerability in Netcore NBR200V2 1.3.241127.071246 Web Management Interface. Defenders should prioritize verifying exposure, assessing the interface for vulnerabilities, and monitoring for publicly available exploits.

  • Verify exposure of Netcore NBR200V2 1.3.241127.071246 devices to remote os command injection attacks.
  • Assess the Web Management Interface for potential vulnerabilities.
  • Monitor for publicly available exploits and adjust defensive priorities accordingly.
  • Remediation priority is high due to the critical severity and public availability of the exploit.

Technical summary

The vulnerability impacts the function eval of the file /www/cgi-bin/network_tools of the component Web Management Interface in Netcore NBR200V2 1.3.241127.071246. Manipulation of the argument QUERY_STRING leads to os command injection, which can be launched remotely. The exploit is publicly available, and the CVSS score is 9.3 with critical severity. This vulnerability is a result of inadequate input validation and sanitization in the Web Management Interface, allowing attackers to execute arbitrary system commands. Defenders should prioritize verifying exposure of Netcore NBR200V2 1.3.241127.071246 devices and assess the Web Management Interface for potential os command injection vulnerabilities.

Defensive priority

Defenders should prioritize verifying exposure of Netcore NBR200V2 1.3.241127.071246 devices, especially those with remote access enabled, and assess the Web Management Interface for potential os command injection vulnerabilities.

Recommended defensive actions

  • Verify exposure of Netcore NBR200V2 1.3.241127.071246 devices, especially those with remote access enabled.
  • Assess the Web Management Interface for potential os command injection vulnerabilities.
  • Monitor for publicly available exploits and adjust defensive priorities accordingly.
  • Apply vendor patches or updates as available.
  • Review compensating controls for exposed systems while remediation is scheduled and verified.
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review.
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented.

Evidence notes

The CVE record and NVD entry provide details on the vulnerability, including its CVSS score of 9.3 and critical severity. However, the vendor did not respond to early disclosure, and some details, such as affected versions and remediation, require verification from official sources.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-101001 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-101001

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

  • CVE-2026-101001 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-101001

    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.