CVE-2023-38823 Memory corruption in n/a

Critical 9.8 Published Updated

A remote attacker can execute arbitrary code on Tenda routers via a buffer overflow in the httpd service.

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-2023-38823?

CVE-2023-38823 is a critical memory corruption vulnerability in Tenda Ac18 Firmware, published on 20 Nov 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Buffer Overflow vulnerability in Tenda Ac19 v.1.0, AC18, AC9 v.1.0, AC6 v.2.0 and v.1.0 allows a remote attacker to execute arbitrary code via the formSetCfm function in bin/httpd.

Weakness: CWE-120

Which versions are affected by CVE-2023-38823?

It affects 4 products.

Products include Tenda Ac18 Firmware, Tenda Ac19 Firmware, Tenda Ac6 Firmware, Tenda Ac9 Firmware.

How do I fix CVE-2023-38823?

No fix has been published for CVE-2023-38823 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-2023-38823 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-38823 exists.

All Tenda Ac18 Firmware vulnerabilities

Sources

Also known as GHSA-9jpx-jr52-334g.

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