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CVE-2022-25734 Loop with Unreachable Exit Condition in MODEM

High 7.5 Published Updated

A missing null check in the Qualcomm modem firmware allows attackers to cause a denial of service by sending crafted IP packets with padding.

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-2022-25734?

CVE-2022-25734 is a high-severity denial of service vulnerability in Qualcomm Ar8031 Firmware, published on 9 Feb 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Denial of service in modem due to missing null check while processing IP packets with padding

Weakness: CWE-835

Which versions are affected by CVE-2022-25734?

It affects 35 products.

Products include Qualcomm Ar8031 Firmware, Qualcomm Csra6620 Firmware, Qualcomm Csra6640 Firmware, Qualcomm Mdm8207 Firmware, Qualcomm Mdm9205 Firmware, Qualcomm Mdm9206 Firmware and 29 more.

How do I fix CVE-2022-25734?

No fix has been published for CVE-2022-25734 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-2022-25734 being exploited?

There is no known exploitation of CVE-2022-25734 in the wild and no public exploit code.

All Qualcomm Ar8031 Firmware vulnerabilities

Sources

Also known as GHSA-j29q-2hmg-pfvh.

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