CVE-2025-21483 Improper Restriction of Operations within the Bounds of a Memory Buffer in Data Network Stack & Connectivity

Critical 9.8 Published Updated

Memory corruption in Qualcomm Snapdragon network stack allows attackers to execute code or escalate privileges via malicious RTP packets.

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-2025-21483?

CVE-2025-21483 is a critical memory corruption vulnerability in Qualcomm Apq8017 Firmware, published on 24 Sep 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Memory corruption when the UE receives an RTP packet from the network, during the reassembly of NALUs.

Weakness: CWE-119

Which versions are affected by CVE-2025-21483?

It affects 227 products.

Products include Qualcomm Apq8017 Firmware, Qualcomm Apq8064au Firmware, Qualcomm Aqt1000 Firmware, Qualcomm Fastconnect 6200 Firmware, Qualcomm Fastconnect 6700 Firmware, Qualcomm Fastconnect 6800 Firmware and 221 more.

How do I fix CVE-2025-21483?

No fix has been published for CVE-2025-21483 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-2025-21483 being exploited?

There is no known exploitation of CVE-2025-21483 in the wild and no public exploit code.

All Qualcomm Apq8017 Firmware vulnerabilities

Sources

Also known as GHSA-jg77-qwrp-9pph.

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