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CVE-2026-4116 is an authentication bypass vulnerability in SonicWall Secure Mobile Access (SMA) 1000 series appliances caused by improper handling of Unicode encoding. The flaw affects the SSLVPN authentication flow for Workplace and Connect Tunnel and allows a remote authenticated SSLVPN user to bypass time-based one-time password (TOTP) authentication. Based on the provided content, the issue stems from Unicode handling during authentication processing, enabling a user who already possesses valid primary authentication to circumvent the second-factor check for these access methods.
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Cross-references every affected SKU, including bundled OEM variants.
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