CVE-2023-38933 Memory corruption in n/a

Critical 9.8 Published Updated

A stack overflow in Tenda routers allows attackers to execute arbitrary code or cause denial of service via the deviceId 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-2023-38933?

CVE-2023-38933 is a critical memory corruption vulnerability in Tenda Ac10 Firmware, published on 7 Aug 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Tenda AC6 V2.0 V15.03.06.23, AC7 V1.0 V15.03.06.44, F1203 V2.0.1.6, AC5 V1.0 V15.03.06.28, FH1203 V2.0.1.6 and AC9 V3.0 V15.03.06.42_multi, and FH1205 V2.0.0.7(775) were discovered to contain a stack overflow via the deviceId parameter in the formSetClientState function.

Weakness: CWE-787

Which versions are affected by CVE-2023-38933?

It affects 9 products.

Products include Tenda Ac10 Firmware, Tenda Ac1206 Firmware, Tenda Ac5 Firmware, Tenda Ac6 Firmware, Tenda Ac7 Firmware, Tenda Ac9 Firmware and 3 more.

How do I fix CVE-2023-38933?

No fix has been published for CVE-2023-38933 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-2023-38933 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-38933 exists.

All Tenda Ac10 Firmware vulnerabilities

Sources

Also known as GHSA-7qcr-6r25-v563.

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