CVE-2026-21551

highCVSS 7.5covered by 1 sourcefirst seen 2026-08-03

In modem, there is a possible improper input validation. This could lead to remote denial of service with no additional execution privileges needed

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Exploitation outlook

Low exploitation risk0.40% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 33% of all EPSS-scored CVEs.

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