CVE-2026-0205
Analyzed Analyzed - Analysis Complete
SonicOS Post-Authentication Path Traversal Vulnerability

Publication date: 2026-04-29

Last updated on: 2026-05-05

Assigner: SonicWALL, Inc.

Description
A post-authentication Path Traversal vulnerability in SonicOS allows an attacker to interact with usually restricted services.
CVSS Scores
EPSS Scores
Probability:
Percentile:
Meta Information
Published
2026-04-29
Last Modified
2026-05-05
Generated
2026-06-16
AI Q&A
2026-04-29
EPSS Evaluated
2026-06-14
NVD
CVE-2026-0205
EUVD
EUVD-2026-26255
Affected Vendors & Products
Showing 4 associated CPEs
Vendor Product Version / Range
sonicwall sonicos to 6.5.5.2-28n (exc)
sonicwall sonicos From 7.0.0.0 (inc) to 7.0.1-5169 (inc)
sonicwall sonicos From 7.1.1-7040 (inc) to 7.3.2-7010 (exc)
sonicwall sonicos From 8.0.0-8035 (inc) to 8.2.0-8009 (exc)
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-35 The product uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize '.../...//' (doubled triple dot slash) sequences that can resolve to a location that is outside of that directory.
Attack-Flow Graph
AI Quick Actions
Instant insights powered by AI
Executive Summary

This vulnerability is a post-authentication Path Traversal issue in SonicOS. It allows an attacker who has already authenticated to the system to interact with services that are normally restricted, potentially bypassing security controls.

Impact Analysis

The vulnerability can lead to unauthorized access to restricted services after authentication, which may result in limited confidentiality and integrity impacts, but a high impact on availability according to the CVSS score.

Executive Summary

This vulnerability is a post-authentication Path Traversal issue in SonicOS. It allows an attacker who has already authenticated to the system to interact with services that are normally restricted, potentially bypassing security controls.

Impact Analysis

The vulnerability can lead to unauthorized access to restricted services after authentication. According to the CVSS score of 6.8, it has a low attack complexity and requires user interaction, with impacts including low confidentiality and integrity loss, and high availability impact. This means an attacker could disrupt service availability and potentially access or modify sensitive information.

Chat Assistant
Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-0205. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70
EPSS Chart