SecurityBleepingComputerabout 1 hour ago
Calix router flaw exposes internal devices
1 min read
An unpatched Calix GS5239XG router flaw, CVE-2026-75501, lets remote attackers bypass NAT via UPnP on TCP port 5000. Researcher Brian Khan Quintana disclosed it after Calix ignored reports. No fix exists; disabling UPnP is the workaround.
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