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CVE-2026-66153

Quick assessment

Affected
SonicWall NetExtender
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

NEService 的自动升级过程在处理临时文件时存在不安全行为，攻击者可利用此缺陷在 SonicWall NetExtender Linux 客户端中操纵文件路径。

AI Predicted 7.8 Difficulty: Easy

Possible ATT&CK Techniques 1 AI

T1553.005 · Mark-of-the-Web Bypass
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I. Basic Information for CVE-2026-66153

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The NEService auto-upgrade process insecurely handles temporary files in SonicWall NetExtender Linux client which allows an attacker to manipulate file paths.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
在文件访问前对链接解析不恰当(链接跟随)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
SonicWall NetExtender 10.3.5 and earlier versions -

II. Public POCs for CVE-2026-66153

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III. Intelligence Information for CVE-2026-66153

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Vendor Advisories for CVE-2026-66153 (1)

IV. Related Vulnerabilities

Same product: NetExtender
Same vendor: SonicWall
Same weakness: CWE-59

V. Comments for CVE-2026-66153

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