CVE-2022-25440 Memory corruption in n/a

Critical 9.8 Published Updated

A stack overflow in the Tenda AC9 router allows attackers to execute arbitrary code or cause a denial of service via the ntpserver 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-2022-25440?

CVE-2022-25440 is a critical memory corruption vulnerability in Tenda Ac9 Firmware, published on 18 Mar 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Tenda AC9 v15.03.2.21 was discovered to contain a stack overflow via the ntpserver parameter in the SetSysTimeCfg function.

Weakness: CWE-787

Which versions are affected by CVE-2022-25440?

It affects 1 product.

Products include Tenda Ac9 Firmware.

How do I fix CVE-2022-25440?

No fix has been published for CVE-2022-25440 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-2022-25440 being exploited?

There is no known exploitation of CVE-2022-25440 in the wild and no public exploit code.

All Tenda Ac9 Firmware vulnerabilities

Sources

Also known as GHSA-v5g5-72j8-6chf.

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