CVE-2023-27064 Memory corruption in n/a

High 7.5 Published 13 Mar 2023 Updated 27 Feb 2025

Attackers can cause a Denial of Service on Tenda routers via a crafted request exploiting a buffer overflow in the DNS forwarding function.

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-2023-27064?

CVE-2023-27064 is a high-severity memory corruption vulnerability in n/a, published on 13 Mar 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Tenda V15V1.0 V15.11.0.14(1521_3190_1058) was discovered to contain a buffer overflow vulnerability via the index parameter in the formDelDnsForward function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.

Weakness: CWE-120

Which versions are affected by CVE-2023-27064?

It affects 1 product.

Products include Tenda W15e Firmware.

How do I fix CVE-2023-27064?

No fix has been published for CVE-2023-27064 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-2023-27064 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-27064 exists.

Sources

Also known as GHSA-gf36-3282-vw2r.