CVE-2026-0206

MEDIUM

SonicOS < 6.5.5.1-6n, < 7.0.1-5169, < 7.3.1-7013, < 8.1.0-8017 - Authenticated Stack-based Buffer Overflow

Title source: llm
STIX 2.1

Description

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

References (1)

Core 1
Core References

Scores

CVSS v3 4.9
EPSS 0.0050
EPSS Percentile 38.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-121
Status published
Products (5)
sonicwall/sonicos < 6.5.5.2-28n
SonicWall/SonicOS 6.5.5.1-6n and older versions
SonicWall/SonicOS 7.0.1-5169 and older versions
SonicWall/SonicOS 7.3.1-7013 and older versions
SonicWall/SonicOS 8.1.0-8017 and older versions
Published Apr 29, 2026
Tracked Since Apr 29, 2026