SonicWall Urges Immediate Patch for Critical SMA 100 Vulnerability Amid Overstep Malware Fiasco

SonicWall urges organizations to patch their Secure Mobile Access 100 series devices after discovering a critical vulnerability. This flaw could allow remote attackers to upload arbitrary files, leading to remote code execution. SonicWall advises immediate action, especially given the recent Overstep malware attacks. Don’t wait until your firewall becomes a “fire-hall.”

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Hot Take:

SonicWall’s SMA 100 devices are sending out more red flags than a toddler left unsupervised with a permanent marker. If you’re relying on one of these devices, you might want to patch it faster than Sonic the Hedgehog on a sugar rush. Otherwise, those pesky Overstep malware bandits might just waltz through and turn your secure gateway into a not-so-secure highway!

Key Points:

  • SonicWall has issued patches for a critical vulnerability (CVE-2025-40599) in its SMA 100 series.
  • The vulnerability allows remote attackers to upload arbitrary files leading to potential remote code execution.
  • Patches are available for SMA 210, 410, and 500v, while other products remain unaffected.
  • Google reports Overstep malware attacks exploiting admin credentials on SMA 100 appliances.
  • Additional patches for three high-severity flaws were also announced, including buffer overflow and XSS issues.

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