How severe is CVE-2025-47403?

CVE-2025-47403 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-47403 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-47403?

CVE-2025-47403 primarily affects Qualcomm Snapdragon X65 5g Modem-rf Firmware. In total, 257 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-47403?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-47403 have an EU (EUVD) identifier?

Yes. CVE-2025-47403 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-209628.

When was CVE-2025-47403 published?

CVE-2025-47403 was published on 2026-05-04 and last updated on 2026-06-17.

CVE-2025-47403

CVE-2025-47403 is a medium-severity vulnerability in Qualcomm Snapdragon X65 5g Modem-rf Firmware with a CVSS 3.x base score of 6.5. 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-125.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (12th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-209628
Weakness: CWE-125
Affected product: Qualcomm Snapdragon X65 5g Modem-rf Firmware
Published: 2026-05-04
Last modified: 2026-06-17

Description

Transient DOS when processing a malformed Fast Transition response frame with an invalid header structure during wireless roaming.

Frequently asked questions

What is CVE-2025-47403?: Transient DOS when processing a malformed Fast Transition response frame with an invalid header structure during wireless roaming.
How severe is CVE-2025-47403?: CVE-2025-47403 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-47403 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-47403?: CVE-2025-47403 primarily affects Qualcomm Snapdragon X65 5g Modem-rf Firmware. In total, 257 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-47403?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-47403 have an EU (EUVD) identifier?: Yes. CVE-2025-47403 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-209628.
When was CVE-2025-47403 published?: CVE-2025-47403 was published on 2026-05-04 and last updated on 2026-06-17.

References

https://docs.qualcomm.com/product/publicresources/securitybulletin/may-2026-bulletin.html

Affected products (257)

cpe:2.3:o:qualcomm:snapdragon_x65_5g_modem-rf_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:snapdragon_x72_5g_modem-rf_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:snapdragon_x75_5g_modem-rf_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:srv1h_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:srv1m_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sxr2230p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sxr2250p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sxr2330p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sxr2350p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:trestles_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcd9340_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcd9370_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcd9371_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcd9375_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcd9378_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcd9378c_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcd9380_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcd9385_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcd9390_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcd9395_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcn3950_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcn3988_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcn6450_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcn6650_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcn6755_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcn7760_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcn7860_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcn7861_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcn7880_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcn7881_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wsa8810_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wsa8815_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wsa8830_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wsa8832_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wsa8835_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wsa8840_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wsa8845_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wsa8845h_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wsa8850_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wsa8850w_firmware:-:*:*:*:*:*:*:*

More vulnerabilities in Qualcomm Snapdragon X65 5g Modem-rf Firmware

CVE-2024-45569 — Critical (CVSS 9.8): Memory corruption while parsing the ML IE due to invalid frame content.
CVE-2024-21473 — Critical (CVSS 9.8): Memory corruption while redirecting log file to any file location with any file name.
CVE-2023-43553 — Critical (CVSS 9.8): Memory corruption while parsing beacon/probe response frame when AP sends more supported links in MLIE.
CVE-2023-43552 — Critical (CVSS 9.8): Memory corruption while processing MBSSID beacon containing several subelement IE.
CVE-2023-28582 — Critical (CVSS 9.8): Memory corruption in Data Modem while verifying hello-verify message during the DTLS handshake.
CVE-2023-43556 — Critical (CVSS 9.3): Memory corruption in Hypervisor when platform information mentioned is not aligned.

All CVEs affecting Qualcomm Snapdragon X65 5g Modem-rf Firmware →

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CVE-2021-21777 — Critical (CVSS 10.0): An information disclosure vulnerability exists in the Ethernet/IP UDP handler functionality of EIP Stack Group OpENer…
CVE-2017-14451 — Critical (CVSS 10.0): An exploitable out-of-bounds read vulnerability exists in libevm (Ethereum Virtual Machine) of CPP-Ethereum. A…
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