Stack-based buffer overflow in NETGEAR Routers



Published: 2023-03-15

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Stack-based buffer overflow

EUVDB-ID: #VU73696

Risk: Low

CVSSv3.1: 3.9 [CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:N/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 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: before 4.6.14.4

R6400: before 1.0.1.70

R6400v2: before 1.0.4.118

R7000: before 1.0.11.126

R7000P: before 1.3.3.140

R7900: before 1.0.4.46

R7900P: before 1.4.2.84

R7960P: before 1.4.2.84

R8000: before 1.0.4.74

R8000P: before 1.4.2.84

RAX200: before 1.0.4.120

RS400: before 1.5.1.80

XR1000: before 1.0.0.58

External links

http://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).

Is there known malware, which exploits this vulnerability?

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



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