Is CVE-2026-90689 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-90689?

CVE-2026-90689 has a CVSS v3 severity of HIGH (8.8).

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CVE-2026-90689

Description

A security flaw has been discovered in Tenda W20E 15.11.0.61068_1546_841_CN_TDC. Impacted is the function formDelWebAuthWhiteUser. Performing a manipulation of the argument webAuthWhiteUserIndex results in stack-based buffer overflow. The attack can be initiated remotely.