CVE-2021-44371 Denial of service in n/a

What is CVE-2021-44371?

CVE-2021-44371 is a high-severity denial of service 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 denial of service vulnerability exists in the cgiserver.cgi JSON command parser functionality of reolink RLC-410W v3.0.0.136_20121102. A specially-crafted HTTP request can lead to a reboot. SetEmail param is not object. An attacker can send an HTTP request to trigger this vulnerability.

Weakness: CWE-20

Which versions are affected by CVE-2021-44371?

It affects 1 product.

Products include Reolink Rlc-410w Firmware.

How do I fix CVE-2021-44371?

No fix has been published for CVE-2021-44371 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2021-44371 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-44371 exists.

Other vulnerabilities in Reolink Rlc-410w Firmware

• CVE-2021-40407 Reolink RLC-410W IP Camera OS Command Injection Vulnerability Exploited Critical 9.1
• CVE-2021-40419 Other in n/a Critical 10.0
• CVE-2022-21796 Memory corruption in n/a Critical 9.3
• CVE-2021-40408 Command injection in n/a Critical 9.1
• CVE-2021-40409 Command injection in n/a Critical 9.1

All Reolink Rlc-410w Firmware vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-x6x4-3847-hjp2.