#VU73744 Command Injection in NETGEAR products

Vulnerability identifier: #VU73744

Vulnerability risk: High

CVSSv4.0: 7.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: N/A

CWE-ID: CWE-77

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
CBR40
Hardware solutions / Routers & switches, VoIP, GSM, etc
CBR750
Hardware solutions / Routers & switches, VoIP, GSM, etc
NBR750
Hardware solutions / Routers & switches, VoIP, GSM, etc
RBK752
Hardware solutions / Routers & switches, VoIP, GSM, etc
RBR750
Hardware solutions / Routers & switches, VoIP, GSM, etc
RBS750
Hardware solutions / Routers & switches, VoIP, GSM, etc
RBK842
Hardware solutions / Routers & switches, VoIP, GSM, etc
RBR840
Hardware solutions / Routers & switches, VoIP, GSM, etc
RBS840
Hardware solutions / Routers & switches, VoIP, GSM, etc
RBK852
Hardware solutions / Routers & switches, VoIP, GSM, etc
RBR850
Hardware solutions / Routers & switches, VoIP, GSM, etc
RBS850
Hardware solutions / Routers & switches, VoIP, GSM, etc
RBKE962
Hardware solutions / Routers & switches, VoIP, GSM, etc
RBRE960
Hardware solutions / Routers & switches, VoIP, GSM, etc
RBSE960
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: NETGEAR

Description

The vulnerability allows a remote attacker to execute arbitrary commands on the target system.

The vulnerability exists due to improper input validation. A remote attacker can pass specially crafted data to the application and execute arbitrary commands on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

CBR40: before 2.5.0.28

CBR750: before 4.6.14.4

NBR750: before 4.6.5.11

RBK752: before 4.6.7.13

RBR750: before 4.6.7.13

RBS750: before 4.6.7.13

RBK842: before 4.6.7.13

RBR840: before 4.6.7.13

RBS840: before 4.6.7.13

RBK852: before 4.6.7.13

RBR850: before 4.6.7.13

RBS850: before 4.6.7.13

RBKE962: before 6.0.3.68

RBRE960: before 6.0.3.68

RBSE960: before 6.0.3.68

---

External links
https://kb.netgear.com/000065573/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-WiFi-Systems-PSV-2021-0179

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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