Is CVE-2021-40407 exploited in the wild?

Yes. CVE-2021-40407 is known to be exploited in the wild, first recorded on 18 December 2024. Treat it as urgent.

How severe is CVE-2021-40407?

Critical severity, with a CVSS score of 9.1, published 18 December 2024.

Which products and versions are affected?

Reolink RLC-410W Firmware 3.0.0.136_20121102; Reolink RLC-410W IP Camera.

Is there a fix for CVE-2021-40407?

No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

How is CVE-2021-40407 attacked?

It is attacked over the network, in a network appliance.

Am I affected by CVE-2021-40407?

Check whether you run Reolink RLC-410W IP Camera. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2021-40407: Reolink RLC-410W IP Camera OS Command Injection Vulnerability

CVE-2021-40407 · Severity: critical · CVSS 9.1 · Exploited in the wild · Published 2024-12-18

An OS command injection vulnerability exists in the Reolink RLC-410W IP camera due to improper validation of the domain parameter in the SetDdns API. An authenticated attacker can trigger this vulnerability by sending a specially crafted HTTP request to the device's network settings functionality, leading to arbitrary command execution.

Quick answers

Is CVE-2021-40407 exploited in the wild?: Yes. CVE-2021-40407 is known to be exploited in the wild, first recorded on 18 December 2024. Treat it as urgent.
How severe is CVE-2021-40407?: Critical severity, with a CVSS score of 9.1, published 18 December 2024.
Which products and versions are affected?: Reolink RLC-410W Firmware 3.0.0.136_20121102; Reolink RLC-410W IP Camera.
Is there a fix for CVE-2021-40407?: No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2021-40407 attacked?: It is attacked over the network, in a network appliance.
Am I affected by CVE-2021-40407?: Check whether you run Reolink RLC-410W IP Camera. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

Reolink RLC-410W Firmware 3.0.0.136_20121102
Reolink RLC-410W IP Camera

Timeline

2022-01-28: disclosed: NVD Published Date
2024-12-18: kev added: Added to CISA Known Exploited Vulnerabilities Catalog

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