CVE-2023-46521 Memory corruption in n/a

High 8.8 Published 25 Oct 2023 Updated 11 Sep 2024

A stack overflow in the RegisterRegister function allows attackers to execute arbitrary code or cause denial of service on TP-LINK routers.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-46521?

CVE-2023-46521 is a high-severity memory corruption vulnerability in n/a, published on 25 Oct 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

TP-LINK TL-WR886N V7.0_3.0.14_Build_221115_Rel.56908n.bin was discovered to contain a stack overflow via the function RegisterRegister.

Weakness: CWE-787

Which versions are affected by CVE-2023-46521?

It affects 1 product.

Products include Tp-Link Tl-Wr886n Firmware.

How do I fix CVE-2023-46521?

No fix has been published for CVE-2023-46521 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-2023-46521 being exploited?

There is no known exploitation of CVE-2023-46521 in the wild and no public exploit code.

Sources

Also known as GHSA-8992-9q7r-8chp.