What’s Vulnerable › Vulnerabilities
CVE-2021-27276
- Severity: high (CVSS 7.1 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 73.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2021-03-29 · updated 2026-06-17
- Weakness: CWE-22
Description
This vulnerability allows remote attackers to delete arbitrary files 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 MibController class. When parsing the realName parameter, the process does not properly validate a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-12122.
Affected products
References
- https://kb.netgear.com/000062722/Security-Advisory-for-Denial-of-Service-on-NMS300-PSV-2020-0500
- https://www.zerodayinitiative.com/advisories/ZDI-21-359/
- https://kb.netgear.com/000062722/Security-Advisory-for-Denial-of-Service-on-NMS300-PSV-2020-0500
- https://www.zerodayinitiative.com/advisories/ZDI-21-359/
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