Stack-based buffer overflow in NETGEAR Routers



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID N/A
CWE-ID CWE-121
Exploitation vector Local network
Public exploit N/A
Vulnerable software
CBR750
Hardware solutions / Routers & switches, VoIP, GSM, etc

R7900P
Hardware solutions / Routers & switches, VoIP, GSM, etc

R7960P
Hardware solutions / Routers & switches, VoIP, GSM, etc

R8000P
Hardware solutions / Routers & switches, VoIP, GSM, etc

RAX200
Hardware solutions / Routers & switches, VoIP, GSM, etc

R6400
Hardware solutions / Routers for home users

R6400v2
Hardware solutions / Routers for home users

R7000
Hardware solutions / Routers for home users

R7000P
Hardware solutions / Routers for home users

R7900
Hardware solutions / Routers for home users

R8000
Hardware solutions / Routers for home users

RS400
Hardware solutions / Routers for home users

XR1000
Hardware solutions / Routers for home users

Vendor NETGEAR

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Stack-based buffer overflow

EUVDB-ID: #VU73696

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: N/A

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

Exploit availability: No

Description

The vulnerability allows a remote user to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error. A remote administrator on the local network can trigger stack-based buffer overflow and cause a denial of service condition on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

CBR750: All versions

R6400: All versions

R6400v2: All versions

R7000: All versions

R7000P: All versions

R7900: All versions

R7900P: All versions

R7960P: All versions

R8000: All versions

R8000P: All versions

RAX200: All versions

RS400: All versions

XR1000: All versions

CPE2.3 External links

https://kb.netgear.com/000065565/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Routers-PSV-2020-0481


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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