Vulnerability identifier: #VU60059

Vulnerability risk: High

CVSSv3.1: 7.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-21801

CWE-ID: CWE-190

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
RLC-410W
Hardware solutions / Security hardware applicances

Vendor: Reolink

Description

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

The vulnerability exists due to integer overflow in the netserver recv_command functionality. A remote attacker can pass specially crafted data to the application, trigger integer overflow and cause a denial of service condition on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

RLC-410W: 3.0.0.136_20121102

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External links
http://www.talosintelligence.com/vulnerability_reports/TALOS-2022-1450

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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.