CVE-2026-24114 Memory corruption in n/a

High 7.5 Published Updated

A buffer overflow in the Tenda W20E router allows attackers to execute arbitrary code or cause a denial of service via improper validation of the pPortMapIndex parameter.

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-2026-24114?

CVE-2026-24114 is a high-severity memory corruption vulnerability in n/a, published on 2 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue was discovered in Tenda W20E V4.0br_V15.11.0.6. Failure to validate `pPortMapIndex` may lead to buffer overflows when using `strcpy`.

Weakness: CWE-120

Which versions are affected by CVE-2026-24114?

It affects 1 product.

Products include Tenda W20e Firmware.

How do I fix CVE-2026-24114?

No fix has been published for CVE-2026-24114 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-2026-24114 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-24114 exists.

Sources

Also known as GHSA-46mw-j26v-v5xp.

Is CVE-2026-24114 in your software?

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