#VU73747 Stack-based buffer overflow in NETGEAR products

Vulnerability identifier: #VU73747

Vulnerability 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

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
CBR750
Hardware solutions / Routers & switches, VoIP, GSM, etc
EX7000
Hardware solutions / Routers & switches, VoIP, GSM, etc
EX7500
Hardware solutions / Routers & switches, VoIP, GSM, etc
R7960P
Hardware solutions / Routers & switches, VoIP, GSM, etc
R8000P
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: NETGEAR

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

EX7000: before 1.0.1.104

EX7500: before 1.0.0.74

R7960P: before 1.4.2.84

R8000P: before 1.4.2.84

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External links
https://kb.netgear.com/000065570/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Routers-and-Extenders-PSV-2020-0482

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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.