High severity8.8NVD Advisory· Published Mar 29, 2021· Updated Jun 17, 2026
CVE-2021-27273
CVE-2021-27273
Description
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.
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Affected products
4cpe:2.3:a:netgear:prosafe_network_management_system:1.6.0.26:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:netgear:prosafe_network_management_system:1.6.0.26:*:*:*:*:*:*:*
- (no CPE)range: = 1.6.0.26
- Range: 1.6.0.26
Patches
Vulnerability mechanics
References
2- kb.netgear.com/000062686/Security-Advisory-for-Post-Authentication-Command-Injection-on-NMS300-PSV-2020-0559nvdVendor Advisory
- www.zerodayinitiative.com/advisories/ZDI-21-356/nvdThird Party AdvisoryVDB Entry
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