CVE-2023-27062 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 by sending a crafted request to the formPortalAuth 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-2023-27062?

CVE-2023-27062 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 was discovered to contain a buffer overflow vulnerability via the gotoUrl parameter in the formPortalAuth 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-2023-27062?

It affects 1 product.

Products include Tenda W15e Firmware.

How do I fix CVE-2023-27062?

No fix has been published for CVE-2023-27062 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-2023-27062 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-27062 exists.

Sources

Also known as GHSA-jqm3-7599-9xwj.