CVE-2025-21427 Buffer Over-read in Data HLOS - LNX

High 8.2 Published Updated

An attacker can disclose sensitive information via a buffer over-read when a user equipment receives a malicious RTP packet from the network.

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-2025-21427?

CVE-2025-21427 is a high-severity vulnerability in Qualcomm Apq8064au Firmware, published on 8 Jul 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Information disclosure while decoding this RTP packet Payload when UE receives the RTP packet from the network.

Weakness: CWE-125, CWE-126

Which versions are affected by CVE-2025-21427?

It affects 179 products.

Products include Qualcomm 205 Mobile Firmware, Qualcomm 215 Mobile Firmware, Qualcomm Apq8064au Firmware, Qualcomm Aqt1000 Firmware, Qualcomm Fastconnect 6200 Firmware, Qualcomm Fastconnect 6700 Firmware and 173 more.

How do I fix CVE-2025-21427?

No fix has been published for CVE-2025-21427 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-21427 being exploited?

There is no known exploitation of CVE-2025-21427 in the wild and no public exploit code.

All Qualcomm Apq8064au Firmware vulnerabilities

Sources

Also known as GHSA-3x8c-g2gj-p9rg.

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