CVE-2022-26642 Memory corruption in n/a

High 7.2 Published Updated

A buffer overflow in the TP-LINK TL-WR840N router allows attackers to execute arbitrary code or cause a denial of service via a crafted MAC address parameter.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2022-26642?

CVE-2022-26642 is a high-severity memory corruption vulnerability in n/a, published on 28 Mar 2022. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

TP-LINK TL-WR840N(ES)_V6.20 was discovered to contain a buffer overflow via the X_TP_ClonedMACAddress parameter.

Weakness: CWE-120

Which versions are affected by CVE-2022-26642?

It affects 1 product.

Products include Tp-Link Tl-Wr840n Firmware.

How do I fix CVE-2022-26642?

No fix has been published for CVE-2022-26642 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-2022-26642 being exploited?

There is no known exploitation of CVE-2022-26642 in the wild and no public exploit code.

Sources

Also known as GHSA-pgr2-39hw-mpmh.

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