CVE-2025-49492 Out-of-bounds write in lte-telephony

High 7.4 Published Updated

An out-of-bounds write in the LTE telephony component allows attackers to cause buffer underruns, potentially leading to code execution or denial of service.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-49492?

CVE-2025-49492 is a high-severity memory corruption vulnerability in ASR Falcon_Linux、Kestrel、Lapwing_Linux, published on 1 Jul 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Out-of-bounds write in ASR180x in lte-telephony, May cause a buffer underrun.  This vulnerability is associated with program files apps/atcmd_server/src/dev_api.C.

This issue affects Falcon_Linux、Kestrel、Lapwing_Linux: before v1536.

Weakness: CWE-787

Which versions are affected by CVE-2025-49492?

It affects 3 products.

Products include Asrmicro Falcon Linux, Asrmicro Kestrel, Asrmicro Lapwing Linux.

How do I fix CVE-2025-49492?

No fix has been published for CVE-2025-49492 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-2025-49492 being exploited?

There is no known exploitation of CVE-2025-49492 in the wild and no public exploit code.

Sources

Also known as GHSA-cq4w-36vx-4m5f.

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