CVE-2025-21488 Buffer Over-read in Data Network Stack & Connectivity
An attacker can disclose sensitive information from memory by sending a crafted RTP packet with the padding bit set to a device using Qualcomm Snapdragon connectivity.
- 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-2025-21488?
CVE-2025-21488 is a high-severity vulnerability in Qualcomm Fastconnect 6200 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
Information disclosure while decoding this RTP packet headers received by UE from the network when the padding bit is set.
Weakness: CWE-126
Which versions are affected by CVE-2025-21488?
It affects 108 products.
Products include Qualcomm Fastconnect 6200 Firmware, Qualcomm Fastconnect 6700 Firmware, Qualcomm Fastconnect 6900 Firmware, Qualcomm Fastconnect 7800 Firmware, Qualcomm Msm8996au Firmware, Qualcomm Qca6564 Firmware and 102 more.
How do I fix CVE-2025-21488?
No fix has been published for CVE-2025-21488 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-21488 being exploited?
There is no known exploitation of CVE-2025-21488 in the wild and no public exploit code.
Other vulnerabilities in Qualcomm Fastconnect 6200 Firmware
Sources
Also known as GHSA-xhv3-f69c-rq49.