CVE-2022-21217 Memory corruption in n/a

Critical 9.1 Published 28 Jan 2022 Updated 15 Apr 2025

An attacker can trigger an out-of-bounds write in the Reolink camera's email test feature via a crafted HTTP request, potentially leading to code execution.

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

What is CVE-2022-21217?

CVE-2022-21217 is a critical memory corruption vulnerability in Reolink Rlc-410w Firmware, published on 28 Jan 2022. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

An out-of-bounds write vulnerability exists in the device TestEmail functionality of reolink RLC-410W v3.0.0.136_20121102. A specially-crafted network request can lead to an out-of-bounds write. An attacker can send an HTTP request to trigger this vulnerability.

Weakness: CWE-787, CWE-457

Which versions are affected by CVE-2022-21217?

It affects 1 product.

Products include Reolink Rlc-410w Firmware.

How do I fix CVE-2022-21217?

No fix has been published for CVE-2022-21217 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2022-21217 being exploited?

There is no known exploitation of CVE-2022-21217 in the wild and no public exploit code.

All Reolink Rlc-410w Firmware vulnerabilities

Sources

Also known as GHSA-v36c-pq4h-93xc.