CVE-2023-33016 Buffer Over-read in WLAN Firmware

High 7.5 Published Updated

A buffer over-read in Qualcomm WLAN firmware allows attackers to cause a transient denial of service during MLO parsing.

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-2023-33016?

CVE-2023-33016 is a high-severity denial of service vulnerability in Qualcomm Csr8811 Firmware, published on 5 Sep 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Transient DOS in WLAN firmware while parsing MLO (multi-link operation).

Weakness: CWE-125, CWE-126

Which versions are affected by CVE-2023-33016?

It affects 66 products.

Products include Qualcomm Csr8811 Firmware, Qualcomm Fastconnect 6900 Firmware, Qualcomm Fastconnect 7800 Firmware, Qualcomm Immersive Home 214 Firmware, Qualcomm Immersive Home 216 Firmware, Qualcomm Immersive Home 316 Firmware and 60 more.

How do I fix CVE-2023-33016?

No fix has been published for CVE-2023-33016 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2023-33016 being exploited?

There is no known exploitation of CVE-2023-33016 in the wild and no public exploit code.

All Qualcomm Csr8811 Firmware vulnerabilities

Sources

Also known as GHSA-2fjf-h46q-8mfr.

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