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Attackers are actively exploiting two chained zero-days in SonicWall's SMA1000 gateways. CVE-2026-83548 is a pre-authentication SSRF rated 10.0, and CVE-2026-83549 is a post-authentication command injection rated 7.8. Hotfixes exist for SMA 6210, 7210, and 8200v appliances; no workarounds are available. NHS England assesses further exploitation as almost certain.
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Summary by ByteBrief
SonicWall Patches Two Exploited SMA 1000 Zero-Days