Stack-based buffer overflow in NETGEAR Routers



Published: 2022-12-06
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID N/A
CWE-ID CWE-121
Exploitation vector Local
Public exploit N/A
Vulnerable software
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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

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Stack-based buffer overflow

EUVDB-ID: #VU69932

Risk: Low

CVSSv3.1: 6.1 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-121 - Stack-based buffer overflow

Exploit availability: No

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

http://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.



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