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CVE-2025-21450

Qualcomm Ar8035 Firmware authentication bypass

9.1 CRITICALEPSS 0.32%
  1. Published8 Jul 2025

Description

Cryptographic issue occurs due to use of insecure connection method while downloading.

CVSS 3.1 breakdown

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

Affected products

Qualcomm Ar8035 Firmwareall versions
Qualcomm Fastconnect 6200 Firmwareall versions
Qualcomm Fastconnect 6700 Firmwareall versions
Qualcomm Fastconnect 6900 Firmwareall versions
Qualcomm Fastconnect 7800 Firmwareall versions
Qualcomm Qca6174a Firmwareall versions
Qualcomm Qca6391 Firmwareall versions
Qualcomm Qca6574a Firmwareall versions
Qualcomm Qca6574au Firmwareall versions
Qualcomm Qca6584au Firmwareall versions
Qualcomm Qca6595au Firmwareall versions
Qualcomm Qca6678aq Firmwareall versions
Qualcomm Qca6688aq Firmwareall versions
Qualcomm Qca6696 Firmwareall versions
Qualcomm Qca6698aq Firmwareall versions
Qualcomm Qca6698au Firmwareall versions
Qualcomm Qca6797aq Firmwareall versions
Qualcomm Qca8081 Firmwareall versions
Qualcomm Qca8337 Firmwareall versions
Qualcomm Qcc710 Firmwareall versions
Qualcomm Qcm4490 Firmwareall versions
Qualcomm Qcm5430 Firmwareall versions
Qualcomm Qcm6490 Firmwareall versions
Qualcomm Qcm8550 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-2025-21450 being actively exploited?

CVE-2025-21450 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.32%.

How severe is CVE-2025-21450?

CVE-2025-21450 has a CVSS 3.1 base score of 9.1, rated critical. EPSS estimates a 0.32% probability of exploitation.

Which products are affected by CVE-2025-21450?

Affected products include Qualcomm Ar8035 Firmware, Qualcomm Fastconnect 6200 Firmware, Qualcomm Fastconnect 6700 Firmware, Qualcomm Fastconnect 6900 Firmware, Qualcomm Fastconnect 7800 Firmware, and 19 more.

How do I fix CVE-2025-21450?

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-2025-21450 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.