CVE-2026-3439

Summary

A post-authentication Stack-based Buffer Overflow vulnerability in SonicOS certificate handling allows a remote attacker to crash a firewall.

Affected Software

VendorProductVersion RangeStatus
SonicWallSonicOS7.0.1-5169 and older versionsaffected
SonicWallSonicOS7.3.1-7013 and older versionsaffected
SonicWallSonicOS8.1.0-8017 and older versionsaffected

Weaknesses

  • CWE-121: CWE-121 Stack-based Buffer Overflow

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References