CVE-2026-19745
MediumCVSS 4.3Exploitation Probability (EPSS)
Low risk28th percentile - higher than 28% of all known CVEs
Summary
A flaw has been found in Calix GigaSpire 26.1.0. Impacted is an unknown function of the file utilities_configurationsave.cgi of the component Web Management Interface. Executing a manipulation of the argument sessionKey can lead to denial of service. The attack can be launched remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Risk Assessment
A remote attacker can exploit the web management interface to cause denial of service, potentially preventing management of the device. Publicly available exploit increases the risk of attack.
Recommendation
Contact the vendor for a patch. Restrict access to the web management interface to trusted networks and monitor requests to utilities_configurationsave.cgi.
Original NVD description (English source)
A flaw has been found in Calix GigaSpire 26.1.0. Impacted is an unknown function of the file utilities_configurationsave.cgi of the component Web Management Interface. Executing a manipulation of the argument sessionKey can lead to denial of service. The attack can be launched remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.