#VU69932 Stack-based buffer overflow in NETGEAR products

Vulnerability identifier: #VU69932

Vulnerability risk: Low

CVSSv4.0: 4.4 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/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-121

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
R6260
Hardware solutions / Routers & switches, VoIP, GSM, etc
R6220
Hardware solutions / Routers & switches, VoIP, GSM, etc
R6230
Hardware solutions / Routers & switches, VoIP, GSM, etc
R6850
Hardware solutions / Routers & switches, VoIP, GSM, etc
R6330
Hardware solutions / Routers & switches, VoIP, GSM, etc
R6350
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: NETGEAR

Description

The vulnerability allows a local user to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error. A local user can trigger stack-based buffer overflow and execute arbitrary code 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

R6260: before 1.1.0.88

R6220: before 1.1.0.114

R6230: before 1.1.0.114

R6850: before 1.1.0.88

R6330: before 1.1.0.88

R6350: before 1.1.0.88

---

External links
https://kb.netgear.com/000065317/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Routers-PSV-2022-0005

---

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.