CVE-2021-44626 Memory corruption in n/a

Critical 9.8 Published Updated

A buffer overflow in TP-LINK WR-886N routers allows attackers to execute arbitrary code via a crafted POST request to the cloud configuration interface.

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-2021-44626?

CVE-2021-44626 is a critical memory corruption vulnerability in n/a, published on 9 Mar 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A Buffer Overflow vulnerability exists in TP-LINK WR-886N 20190826 2.3.8 in the /cloud_config/router_post/get_reg_verify_code feature, which allows malicious users to execute arbitrary code on the system via a crafted post request.

Weakness: CWE-120

Which versions are affected by CVE-2021-44626?

It affects 1 product.

Products include Tp-Link Tl-Wr886n Firmware.

How do I fix CVE-2021-44626?

No fix has been published for CVE-2021-44626 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-2021-44626 being exploited?

There is no known exploitation of CVE-2021-44626 in the wild and no public exploit code.

Sources

Also known as GHSA-vxjv-vgw6-crvm.

Is CVE-2021-44626 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free