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Description

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

PUBLISHED Reserved 2026-03-02 | Published 2026-03-04 | Updated 2026-03-04 | Assigner sonicwall

Problem types

CWE-121 Stack-based Buffer Overflow

Product status

Default status
unknown

7.0.1-5169 and older versions
affected

7.3.1-7013 and older versions
affected

8.1.0-8017 and older versions
affected

References

psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0001 vendor-advisory

cve.org (CVE-2026-3439)

nvd.nist.gov (CVE-2026-3439)

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