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PatchSiren cyber security CVE debrief

CVE-2026-10069 Shibby CVE debrief

A resource consumption vulnerability in Shibby Tomato 1.28's miniupnpd component allows remote attackers to exhaust system resources. The affected firmware is end-of-life and superseded by FreshTomato.

Vendor
Shibby
Product
Tomato
CVSS
HIGH 8.7
CISA KEV
Not listed in stored evidence
Original CVE published
2026-05-29
Original CVE updated
2026-05-29
Advisory published
2026-05-29
Advisory updated
2026-05-29

Who should care

Network administrators running Shibby Tomato 1.28 on routers or gateways; security teams managing legacy embedded Linux firmware; organizations with remote-accessible UPnP services.

Technical summary

The vulnerability exists in an unknown function within /usr/sbin/miniupnpd in Shibby Tomato firmware version 1.28. Remote attackers can trigger resource consumption without authentication. The CVSS 4.0 score of 8.7 reflects high availability impact with low attack complexity. The product is explicitly noted as superseded by FreshTomato and no longer supported by its maintainer.

Defensive priority

HIGH

Recommended defensive actions

  • Migrate from Shibby Tomato 1.28 to FreshTomato or alternative actively maintained firmware
  • If migration is not immediately possible, restrict network access to miniupnpd service to trusted administrative hosts only
  • Monitor for anomalous resource consumption on affected devices
  • Plan replacement of end-of-life routing infrastructure

Evidence notes

CVSS 4.0 vector indicates network attack vector with no privileges required and high availability impact. CWE-400 (Uncontrolled Resource Consumption) and CWE-404 (Improper Resource Shutdown or Release) assigned. VulnStatus is 'Deferred' in NVD.

Official resources

Published 2026-05-29 by NVD with VulDB as CNA. No KEV listing.