Vulnerability identifier: #VU57328

Vulnerability risk: High

CVSSv3.1: 8.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-21940

CWE-ID: CWE-122

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
eufyCam 2
Hardware solutions / Security hardware applicances

Vendor: Eufy

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in the pushMuxer processRtspInfo functionality. A remote attacker can send a specially crafted packet, trigger heap-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

eufyCam 2: 2.1.6.9h

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External links
http://talosintelligence.com/vulnerability_reports/TALOS-2021-1369

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Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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