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CVE-2026-112016

6.5 · MEDIUM

Netcore NR256CN through 1.5.140116 contains an unauthenticated file write vulnerability in the Boa-derived /bin/boa web server that allows remote attackers to overwrite update and restore staging f…

Published Oct 18, 2026CWE-306EPSS 0.34%

Overview

CVE-2026-112016 is a medium-severity vulnerability. It was published on October 18, 2026 and has a CVSS 3.1 base score of 6.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Netcore NR256CN through 1.5.140116 contains an unauthenticated file write vulnerability in the Boa-derived /bin/boa web server that allows remote attackers to overwrite update and restore staging files. Attackers can POST to a non-existent .cgi pathname to write attacker-controlled content into /tmp/boa_temp.update or /tmp/boa_temp.para, tampering with pending firmware updates or configuration restores or causing denial of service.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/lukadqq/netcore-router-public-refs/blob/a44d562736b41c944223297e9144d2ad7fa2aff1/2026.10.15-netcore-nr256cn-fixed-tmp-sink-write.mdRefwww.vulncheck.com/advisories/netcore-nr256cn-through-1.5.140116-unauthenticated-write-to-fixed-boa-staging-files

How CyberStrike helps

Frequently asked questions

What is CVE-2026-112016?

CVE-2026-112016 is a medium-severity vulnerability. It was published on October 18, 2026 and has a CVSS 3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2026-112016?

This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-112016?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-112016?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-112016 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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