CVE-2021-40419 Other in n/a

Critical 10.0 Published 28 Jan 2022 Updated 15 Apr 2025

An attacker can trigger arbitrary firmware updates on Reolink cameras via crafted network requests, potentially leading to full device compromise.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2021-40419?

CVE-2021-40419 is a critical vulnerability in Reolink Rlc-410w Firmware, published on 28 Jan 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A firmware update vulnerability exists in the 'factory' binary of reolink RLC-410W v3.0.0.136_20121102. A specially-crafted series of network requests can lead to arbitrary firmware update. An attacker can send a sequence of requests to trigger this vulnerability.

Weakness: CWE-489

Which versions are affected by CVE-2021-40419?

It affects 1 product.

Products include Reolink Rlc-410w Firmware.

How do I fix CVE-2021-40419?

No fix has been published for CVE-2021-40419 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-40419 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-40419 exists.

All Reolink Rlc-410w Firmware vulnerabilities

Sources

Also known as GHSA-cq27-9fxq-2g57.