OS command injection in NETGEAR ProSAFE Network Management System
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-78.
Summary
This vulnerability allows remote attackers to execute arbitrary code on affected installations of NETGEAR ProSAFE Network Management System 1.6.0.26. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the SettingConfigController class. When parsing the fileName parameter, the process does not properly validate a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of SYSTEM. Was ZDI-CAN-12121.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-27273
- 2026-10-03 Alias added: GHSA-5jv4-p54c-22j4
References
More NETGEAR Prosafe Network Management System vulnerabilities
- TI-2023-19520 Improper authentication in NETGEAR ProSAFE Network Management System CVSS 3.1CRITICAL 9.8
- TI-2023-19519 Unrestricted file upload in NETGEAR ProSAFE Network Management System CVSS 3.1HIGH 8.8
- TI-2023-21791 Path traversal in NETGEAR ProSAFE Network Management System CVSS 3.1HIGH 8.8
- TI-2021-08815 Path traversal in NETGEAR ProSAFE Network Management System CVSS 3.1HIGH 8.3
- TI-2023-27463 Cross-site scripting in NETGEAR ProSAFE Network Management System CVSS 3.1CRITICAL 9.6
- TI-2023-19523 SQL injection in NETGEAR ProSAFE Network Management System CVSS 3.1HIGH 8.8
Sources
- CVE-2021-27273 · CVE Program
- CVE-2021-27273 · NVD
- FIRST EPSS
- GHSA-5jv4-p54c-22j4 · GitHub Advisory Database · CC BY 4.0
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