CVE-2023-30383 Memory corruption in n/a

High 7.5 Published 18 Jul 2023 Updated 9 Jul 2026

A buffer overflow in TP-LINK Archer routers allows attackers to cause a denial of service by sending crafted data.

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-2023-30383?

CVE-2023-30383 is a high-severity memory corruption vulnerability in n/a, published on 18 Jul 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

TP-LINK Archer C50v2 Archer C50(US)_V2_160801, TP-LINK Archer C20v1 Archer_C20_V1_150707, and TP-LINK Archer C2v1 Archer_C2_US__V1_170228 were discovered to contain a buffer overflow which may lead to a Denial of Service (DoS) when parsing crafted data.

Weakness: CWE-120

Which versions are affected by CVE-2023-30383?

It affects 3 products.

Products include Tp-Link Archer C20 Firmware, Tp-Link Archer C2 V1 Firmware, Tp-Link Archer C50 Firmware.

How do I fix CVE-2023-30383?

No fix has been published for CVE-2023-30383 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-2023-30383 being exploited?

There is no known exploitation of CVE-2023-30383 in the wild and no public exploit code.

Sources

Also known as GHSA-fmhr-vq7w-cjpg.