Privilege escalation in NETGEAR Routers and WiFi Systems



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID N/A
CWE-ID CWE-264
Exploitation vector Local network
Public exploit N/A
Vulnerable software
 RAX120
Hardware solutions / Routers for home users

R7800
Hardware solutions / Routers for home users

RAX120v2
Hardware solutions / Routers for home users

RBK50
Hardware solutions / Routers & switches, VoIP, GSM, etc

LBR20
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor NETGEAR

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU64816

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: N/A

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote administrator on the local network to escalate privileges on the system.

The vulnerability exists due to application does not properly impose security restrictions, which leads to security restrictions bypass and privilege escalation.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

RAX120: before 1.2.2.24

RBK50: before 2.7.4.24

LBR20: before 2.6.5.32

R7800: before 1.0.2.84

RAX120v2: before 1.2.2.24

CPE2.3 External links

https://kb.netgear.com/000065041/Security-Advisory-for-Vertical-Privilege-Escalation-on-Some-Routers-and-WiFi-Systems-PSV-2021-0103


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the local network (LAN).

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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