CVE-2023-36354 Memory corruption in n/a

High 7.5 Published 22 Jun 2023 Updated 2 Dec 2024

Attackers can cause a Denial of Service on TP-Link routers via a crafted GET request exploiting a buffer overflow.

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-2023-36354?

CVE-2023-36354 is a high-severity memory corruption vulnerability in n/a, published on 22 Jun 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

TP-Link TL-WR940N V4, TL-WR841N V8/V10, TL-WR740N V1/V2, TL-WR940N V2/V3, and TL-WR941ND V5/V6 were discovered to contain a buffer overflow in the component /userRpm/AccessCtrlTimeSchedRpm. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted GET request.

Weakness: CWE-120

Which versions are affected by CVE-2023-36354?

It affects 4 products.

Products include Tp-Link Tl-Wr740n Firmware, Tp-Link Tl-Wr841n Firmware, Tp-Link Tl-Wr940n Firmware, Tp-Link Tl-Wr941nd Firmware.

How do I fix CVE-2023-36354?

No fix has been published for CVE-2023-36354 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-2023-36354 being exploited?

There is no known exploitation of CVE-2023-36354 in the wild and no public exploit code.

Sources

Also known as GHSA-3w66-p7cp-w8h7.