Denial of service in NETGEAR Routers



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID N/A
CWE-ID CWE-119
Exploitation vector Local network
Public exploit N/A
Vulnerable software
RAX40
Hardware solutions / Routers & switches, VoIP, GSM, etc

RAX35
Hardware solutions / Routers & switches, VoIP, GSM, etc

R6700v3
Hardware solutions / Routers & switches, VoIP, GSM, etc

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

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

R6400v2
Hardware solutions / Routers for home users

R6900P
Hardware solutions / Routers for home users

R7000P
Hardware solutions / Routers for home users

R7000
Hardware solutions / Routers for home users

Vendor NETGEAR

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Buffer overflow

EUVDB-ID: #VU70560

Risk: Low

CVSSv4.0: 4.9 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/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-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of servie (DoS) attack.

The vulnerability exists due to a boundary error. A remote attacker on the local network can trigger memory corruption and cause a denial of service condition on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

RAX40: before 1.0.2.60

RAX35: before 1.0.2.60

R6400v2: before 1.0.4.122

R6700v3: before 1.0.4.122

R6900P: before 1.3.3.152

R7000P: before 1.3.3.152

R7000: before 1.0.11.136

R7960P: before 1.4.4.94

R8000P: before 1.4.4.94

CPE2.3 External links

https://kb.netgear.com/000065495/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-PSV-2019-0208


Q & A

Can this vulnerability be exploited remotely?

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