#VU56360 Improper Authentication in NETGEAR products

Vulnerability identifier: #VU56360

Vulnerability risk: Low

CVSSv4.0: 6.6 [CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: N/A

CWE-ID: CWE-287

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
GC108P
Hardware solutions / Routers & switches, VoIP, GSM, etc
GC108PP
Hardware solutions / Routers & switches, VoIP, GSM, etc
GS108Tv3
Hardware solutions / Routers & switches, VoIP, GSM, etc
GS110TPP
Hardware solutions / Routers & switches, VoIP, GSM, etc
GS110TPv3
Hardware solutions / Routers & switches, VoIP, GSM, etc
GS110TUP
Hardware solutions / Routers & switches, VoIP, GSM, etc
GS308T
Hardware solutions / Routers & switches, VoIP, GSM, etc
GS310TP
Hardware solutions / Routers & switches, VoIP, GSM, etc
GS710TUP
Hardware solutions / Routers & switches, VoIP, GSM, etc
GS716TP
Hardware solutions / Routers & switches, VoIP, GSM, etc
GS716TPP
Hardware solutions / Routers & switches, VoIP, GSM, etc
GS724TPP
Hardware solutions / Routers & switches, VoIP, GSM, etc
GS724TPv2
Hardware solutions / Routers & switches, VoIP, GSM, etc
GS728TPPv2
Hardware solutions / Routers & switches, VoIP, GSM, etc
GS728TPv2
Hardware solutions / Routers & switches, VoIP, GSM, etc
GS750E
Hardware solutions / Routers & switches, VoIP, GSM, etc
GS752TPP
Hardware solutions / Routers & switches, VoIP, GSM, etc
GS752TPv2
Hardware solutions / Routers & switches, VoIP, GSM, etc
MS510TXM
Hardware solutions / Routers & switches, VoIP, GSM, etc
MS510TXUP
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: NETGEAR

Description

The vulnerability allows a local attacker to bypass authentication process.

The vulnerability exists due to an error in when processing authentication requests. A local attacker can hijack the session bootstrapping information and gain full access to the target device.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

GC108P: before 1.0.8.2

GC108PP: before 1.0.8.2

GS108Tv3: before 7.0.7.2

GS110TPP: before 7.0.7.2

GS110TPv3: before 7.0.7.2

GS110TUP: before 1.0.5.3

GS308T: before 1.0.3.2

GS310TP: before 1.0.3.2

GS710TUP: before 1.0.5.3

GS716TP: before 1.0.4.2

GS716TPP: before 1.0.4.2

GS724TPP: before 2.0.6.3

GS724TPv2: before 2.0.6.3

GS728TPPv2: before 6.0.8.2

GS728TPv2: before 6.0.8.2

GS750E: before 1.0.1.10

GS752TPP: before 6.0.8.2

GS752TPv2: before 6.0.8.2

MS510TXM: before 1.0.4.2

MS510TXUP: before 1.0.4.2

---

External links
https://kb.netgear.com/000063978/Security-Advisory-for-Multiple-Vulnerabilities-on-Some-Smart-Switches-PSV-2021-0140-PSV-2021-0144-PSV-2021-0145
https://gynvael.coldwind.pl/?id=741

---

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.