How severe is CVE-2025-21428?

CVE-2025-21428 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-21428 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-21428?

CVE-2025-21428 primarily affects Qualcomm Snapdragon 439 Mobile Platform Firmware. In total, 69 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-21428?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-21428 have an EU (EUVD) identifier?

Yes. CVE-2025-21428 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-10002.

When was CVE-2025-21428 published?

CVE-2025-21428 was published on 2025-04-07 and last updated on 2026-06-17.

CVE-2025-21428

CVE-2025-21428 is a high-severity vulnerability in Qualcomm Snapdragon 439 Mobile Platform Firmware with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-126.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (13th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-10002
Weakness: CWE-126
Affected product: Qualcomm Snapdragon 439 Mobile Platform Firmware
Published: 2025-04-07
Last modified: 2026-06-17

Description

Memory corruption occurs while connecting a STA to an AP and initiating an ADD TS request from the AP to establish a TSpec session.

Frequently asked questions

What is CVE-2025-21428?: Memory corruption occurs while connecting a STA to an AP and initiating an ADD TS request from the AP to establish a TSpec session.
How severe is CVE-2025-21428?: CVE-2025-21428 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-21428 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-21428?: CVE-2025-21428 primarily affects Qualcomm Snapdragon 439 Mobile Platform Firmware. In total, 69 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-21428?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-21428 have an EU (EUVD) identifier?: Yes. CVE-2025-21428 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-10002.
When was CVE-2025-21428 published?: CVE-2025-21428 was published on 2025-04-07 and last updated on 2026-06-17.

References

https://docs.qualcomm.com/product/publicresources/securitybulletin/april-2025-bulletin.html

Affected products (69)

cpe:2.3:o:qualcomm:snapdragon_439_mobile_platform_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:snapdragon_625_mobile_platform_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:snapdragon_626_mobile_platform_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:snapdragon_632_mobile_platform_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:snapdragon_820_automotive_platform_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:snapdragon_auto_5g_modem-rf_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:snapdragon_x12_lte_modem_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:snapdragon_x35_5g_modem-rf_system_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:snapdragon_x5_lte_modem_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:vision_intelligence_100_platform_\(apq8053-aa\)_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:vision_intelligence_200_platform_\(apq8053-ac\)_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcd9326_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcd9330_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcd9335_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcd9340_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcn3610_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcn3615_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcn3620_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcn3660b_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcn3680_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcn3680b_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcn3980_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wsa8810_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wsa8815_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:9206_lte_modem_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:apq8017_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ar8031_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:c-v2x_9150_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:csra6620_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:csra6640_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:fastconnect_6200_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:fastconnect_6900_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:mdm9250_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:mdm9628_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:mdm9640_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:mdm9650_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:msm8996au_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6174_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6174a_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6175a_firmware:-:*:*:*:*:*:*:*

More vulnerabilities in Qualcomm Snapdragon 439 Mobile Platform Firmware

CVE-2025-21483 — Critical (CVSS 9.8): Memory corruption when the UE receives an RTP packet from the network, during the reassembly of NALUs.
CVE-2023-22388 — Critical (CVSS 9.8): Memory Corruption in Multi-mode Call Processor while processing bit mask API.
CVE-2023-33030 — Critical (CVSS 9.3): Memory corruption in HLOS while running playready use-case.
CVE-2024-23373 — High (CVSS 8.4): Memory corruption when IOMMU unmap operation fails, the DMA and anon buffers are getting released.
CVE-2024-21461 — High (CVSS 8.4): Memory corruption while performing finish HMAC operation when context is freed by keymaster.
CVE-2023-33033 — High (CVSS 8.4): Memory corruption in Audio during playback with speaker protection.

All CVEs affecting Qualcomm Snapdragon 439 Mobile Platform Firmware →

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