CVE-2022-21796 Memory corruption in n/a

Critical 9.3 Published 28 Jan 2022 Updated 15 Apr 2025

A memory corruption vulnerability in Reolink cameras allows remote attackers to execute arbitrary code via a specially crafted HTTP request.

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-2022-21796?

CVE-2022-21796 is a critical memory corruption 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 memory corruption vulnerability exists in the netserver parse_command_list functionality of reolink RLC-410W v3.0.0.136_20121102. A specially-crafted HTTP request can lead to an out-of-bounds write. An attacker can send an HTTP request to trigger this vulnerability.

Weakness: CWE-787, CWE-20

Which versions are affected by CVE-2022-21796?

It affects 1 product.

Products include Reolink Rlc-410w Firmware.

How do I fix CVE-2022-21796?

No fix has been published for CVE-2022-21796 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-2022-21796 being exploited?

There is no known exploitation of CVE-2022-21796 in the wild and no public exploit code.

All Reolink Rlc-410w Firmware vulnerabilities

Sources

Also known as GHSA-gj58-7wr2-fh9g.