CVE-2026-66149: CWE-94 Improper Control of Generation of Code ('Code Injection') in SonicWall Email Security
This vulnerability allows local attackers to escalate privileges on affected installations of SonicWall Email Security. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2026-66149.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-66149) involves improper control of code generation (CWE-94) in SonicWall Email Security appliances. An authenticated attacker with access to the restricted command-line interface can exploit the netmask parameter to inject arbitrary OS commands that execute as root. This could lead to full system compromise. The vulnerability is confirmed published but lacks a CVSS score and official remediation details. No known exploits have been reported.
Potential Impact
Successful exploitation allows an authenticated user with CLI access to execute arbitrary commands as root on the affected SonicWall Email Security appliance. This could lead to complete system compromise, unauthorized access to sensitive data, and disruption of email security functions.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict CLI access to trusted administrators only and monitor for unauthorized access attempts.
CVE-2026-66149: CWE-94 Improper Control of Generation of Code ('Code Injection') in SonicWall Email Security
Description
This vulnerability allows local attackers to escalate privileges on affected installations of SonicWall Email Security. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2026-66149.
CVSS v3.1
Score 7.8high
Affected software
SonicWall
Email Security
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-66149) involves improper control of code generation (CWE-94) in SonicWall Email Security appliances. An authenticated attacker with access to the restricted command-line interface can exploit the netmask parameter to inject arbitrary OS commands that execute as root. This could lead to full system compromise. The vulnerability is confirmed published but lacks a CVSS score and official remediation details. No known exploits have been reported.
Potential Impact
Successful exploitation allows an authenticated user with CLI access to execute arbitrary commands as root on the affected SonicWall Email Security appliance. This could lead to complete system compromise, unauthorized access to sensitive data, and disruption of email security functions.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict CLI access to trusted administrators only and monitor for unauthorized access attempts.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- sonicwall
- Date Reserved
- 2026-07-24T08:34:11.798Z
- State
- PUBLISHED
Threat ID: 6a7b858ebf8831d5395e02b8
Added to database: 08/11/2026, 20:26:54 UTC
Last enriched: 08/11/2026, 20:42:27 UTC
Last updated: 09/25/2026, 13:47:47 UTC
Views: 69
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