How severe is CVE-2025-21479?

CVE-2025-21479 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-21479 being actively exploited?

Yes. CVE-2025-21479 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2025-06-03, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2025-21479?

CVE-2025-21479 primarily affects Qualcomm Aqt1000 Firmware. In total, 75 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-21479?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

Does CVE-2025-21479 have an EU (EUVD) identifier?

Yes. CVE-2025-21479 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-16710. It is also flagged as exploited in the EUVD (since 2025-06-03).

When was CVE-2025-21479 published?

CVE-2025-21479 was published on 2025-06-03 and last updated on 2026-06-17.

CVE-2025-21479

CVE-2025-21479 is a high-severity vulnerability in Qualcomm Aqt1000 Firmware with a CVSS 3.x base score of 8.6. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2025-06-03). The underlying weakness is classified as CWE-863.

Key facts

Severity: High (CVSS 3.x base score 8.6)
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Yes — listed in CISA KEV (added 2025-06-03)
EU (EUVD) id: EUVD-2025-16710
EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2025-06-03)
Weakness: CWE-863
Affected product: Qualcomm Aqt1000 Firmware
Published: 2025-06-03
Last modified: 2026-06-17

Description

Memory corruption due to unauthorized command execution in GPU micronode while executing specific sequence of commands.

Frequently asked questions

What is CVE-2025-21479?: Memory corruption due to unauthorized command execution in GPU micronode while executing specific sequence of commands.
How severe is CVE-2025-21479?: CVE-2025-21479 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-21479 being actively exploited?: Yes. CVE-2025-21479 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2025-06-03, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2025-21479?: CVE-2025-21479 primarily affects Qualcomm Aqt1000 Firmware. In total, 75 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-21479?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2025-21479 have an EU (EUVD) identifier?: Yes. CVE-2025-21479 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-16710. It is also flagged as exploited in the EUVD (since 2025-06-03).
When was CVE-2025-21479 published?: CVE-2025-21479 was published on 2025-06-03 and last updated on 2026-06-17.

References

Affected products (75)

cpe:2.3:o:qualcomm:aqt1000_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:fastconnect_6200_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:fastconnect_6700_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:fastconnect_6900_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:fastconnect_7800_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:fastconnect_6800_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6391_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qcm4490_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qcs4490_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd855_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sm4635_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sm6250_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sm6650_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sm6650p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sm7325p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sm7635_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sm7675_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sm7675p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sm8550p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sm8635_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sm8635p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sm8650q_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:snapdragon_4_gen_1_mobile_platform_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:snapdragon_460_mobile_platform_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:snapdragon_480_5g_mobile_platform_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:snapdragon_480\+_5g_mobile_platform_\(sm4350-ac\)_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:snapdragon_662_mobile_platform_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:snapdragon_680_4g_mobile_platform_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:snapdragon_685_4g_mobile_platform_\(sm6225-ad\)_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:snapdragon_690_5g_mobile_platform_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:snapdragon_695_5g_mobile_platform_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:snapdragon_720g_mobile_platform_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:snapdragon_778g_5g_mobile_platform_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:snapdragon_778g\+_5g_mobile_platform_\(sm7325-ae\)_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:snapdragon_782g_mobile_platform_\(sm7325-af\)_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:snapdragon_7c\+_gen_3_compute_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:snapdragon_8_gen_2_mobile_platform_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:snapdragon_8_gen_3_mobile_platform_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:snapdragon_8\+_gen_2_mobile_platform_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:snapdragon_855_mobile_platform_firmware:-:*:*:*:*:*:*:*

More vulnerabilities in Qualcomm Aqt1000 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-2023-28562 — Critical (CVSS 9.8): Memory corruption while handling payloads from remote ESL.
CVE-2022-40510 — Critical (CVSS 9.8): Memory corruption due to buffer copy without checking size of input in Audio while voice call with EVS vocoder.
CVE-2022-40514 — Critical (CVSS 9.8): Memory corruption due to buffer copy without checking the size of input in WLAN Firmware while processing CCKM IE in…
CVE-2022-22088 — Critical (CVSS 9.8): Memory corruption in Bluetooth HOST due to buffer overflow while parsing the command response received from remote

All CVEs affecting Qualcomm Aqt1000 Firmware →

Other CWE-863 (Incorrect Authorization) vulnerabilities

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