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CVE-2025-21483

Qualcomm Apq8017 Firmware buffer overflow

9.8 CRITICALEPSS 0.40%
  1. Published24 Sept 2025

Description

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

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Qualcomm Apq8017 Firmwareall versions
Qualcomm Apq8064au Firmwareall versions
Qualcomm Aqt1000 Firmwareall versions
Qualcomm Fastconnect 6200 Firmwareall versions
Qualcomm Fastconnect 6700 Firmwareall versions
Qualcomm Fastconnect 6800 Firmwareall versions
Qualcomm Fastconnect 6900 Firmwareall versions
Qualcomm Fastconnect 7800 Firmwareall versions
Qualcomm Msm8996au Firmwareall versions
Qualcomm Qam8255p Firmwareall versions
Qualcomm Qam8295p Firmwareall versions
Qualcomm Qam8620p Firmwareall versions
Qualcomm Qam8650p Firmwareall versions
Qualcomm Qam8775p Firmwareall versions
Qualcomm Qamsrv1h Firmwareall versions
Qualcomm Qamsrv1m Firmwareall versions
Qualcomm Qca6310 Firmwareall versions
Qualcomm Qca6320 Firmwareall versions
Qualcomm Qca6335 Firmwareall versions
Qualcomm Qca6391 Firmwareall versions
Qualcomm Qca6420 Firmwareall versions
Qualcomm Qca6426 Firmwareall versions
Qualcomm Qca6430 Firmwareall versions
Qualcomm Qca6436 Firmwareall versions

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

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Frequently asked

Is CVE-2025-21483 being actively exploited?

CVE-2025-21483 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.40%.

How severe is CVE-2025-21483?

CVE-2025-21483 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 0.40% probability of exploitation.

Which products are affected by CVE-2025-21483?

Affected products include Qualcomm Apq8017 Firmware, Qualcomm Apq8064au Firmware, Qualcomm Aqt1000 Firmware, Qualcomm Fastconnect 6200 Firmware, Qualcomm Fastconnect 6700 Firmware, and 19 more.

How do I fix CVE-2025-21483?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-21483 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.