Is CVE-2026-90693 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-90693?

CVE-2026-90693 has a CVSS v3 severity of CRITICAL (9.9).

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CVE-2026-90693

Description

A flaw has been found in D-Link DIR-878 120B05. This impacts the function SetWan3Settings of the component WAN Settings. This manipulation of the argument Primary/Secondary causes stack-based buffer overflow. Remote exploitation of the attack is possible.