CVE-2026-16095 Shibby CVE debrief

Who should care

Users of Shibby Tomato 1.28 RT-N5x MIPSR2 Build 124, as well as administrators and security teams responsible for managing and securing network devices, should be aware of this vulnerability and take steps to mitigate it. This includes applying patches or updates, implementing compensating controls, and monitoring for suspicious activity related to this vulnerability.

Technical summary

The setup_conntrack function in /sbin/rc of Shibby Tomato 1.28 RT-N5x MIPSR2 Build 124 is susceptible to an out-of-bounds write attack due to improper handling of the ct_tcp_timeout argument. This vulnerability has a CVSS score of 8.7 and is classified as HIGH severity. It is recommended that users of this software apply patches or updates from the vendor if available. Affected product deployments should be identified and assigned an owner for follow-up. Compensating controls should be reviewed for exposed systems while remediation is scheduled and verified. Relevant monitoring, detection, and logs for exposed assets should be checked, and exceptions should be tracked and retested. The CVE record was published on 2026-07-18T11:16:43.833Z and has not been modified since then.

Defensive priority

High priority should be given to patching or mitigating this vulnerability due to its high severity and potential for remote exploitation.

Recommended defensive actions

• Apply patches or updates from the vendor if available
• Implement compensating controls to limit exposure
• Monitor for suspicious activity related to this vulnerability
• Review 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
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
• Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance

Evidence notes

The CVE record was published on 2026-07-18T11:16:43.833Z and has not been modified since then. The NVD entry is currently in the 'Received' status. This information is based on the provided source corpus. Further verification is recommended to confirm the accuracy of this information.

Official resources