CVE-2021-27276
HIGHNETGEAR ProSAFE Network Management System 1.6.0.26 - Path Traversal
Title source: llmDescription
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.
References (2)
Core 2
Core References
Vendor Advisory x_refsource_misc
https://kb.netgear.com/000062722/Security-Advisory-for-Denial-of-Service-on-NMS300-PSV-2020-0500
Third Party Advisory, VDB Entry x_refsource_misc
https://www.zerodayinitiative.com/advisories/ZDI-21-359/
Scores
CVSS v3
7.1
EPSS
0.5902
EPSS Percentile
98.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
Details
CWE
CWE-22
Status
published
Products (1)
netgear/prosafe_network_management_system
1.6.0.26
Published
Mar 29, 2021
Tracked Since
Feb 18, 2026