How severe is CVE-2025-21468?

CVE-2025-21468 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-21468 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-21468?

CVE-2025-21468 primarily affects Qualcomm Ar8035 Firmware. In total, 151 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-21468?

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-2025-21468 have an EU (EUVD) identifier?

Yes. CVE-2025-21468 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-13517.

When was CVE-2025-21468 published?

CVE-2025-21468 was published on 2025-05-06 and last updated on 2026-06-17.

CVE-2025-21468

CVE-2025-21468 is a high-severity vulnerability in Qualcomm Ar8035 Firmware with a CVSS 3.x base score of 7.8. 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-787.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-13517
Weakness: CWE-787
Affected product: Qualcomm Ar8035 Firmware
Published: 2025-05-06
Last modified: 2026-06-17

Description

Memory corruption while reading response from FW, when buffer size is changed by FW while driver is using this size to write null character at the end of buffer.

Frequently asked questions

What is CVE-2025-21468?: Memory corruption while reading response from FW, when buffer size is changed by FW while driver is using this size to write null character at the end of buffer.
How severe is CVE-2025-21468?: CVE-2025-21468 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-21468 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-21468?: CVE-2025-21468 primarily affects Qualcomm Ar8035 Firmware. In total, 151 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-21468?: 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-2025-21468 have an EU (EUVD) identifier?: Yes. CVE-2025-21468 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-13517.
When was CVE-2025-21468 published?: CVE-2025-21468 was published on 2025-05-06 and last updated on 2026-06-17.

References

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

Affected products (151)

cpe:2.3:o:qualcomm:ar8035_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_6700_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:wcn3910_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcn3950_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcn3980_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcn3988_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcn3990_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcn6450_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcn6650_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcn6740_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcn6755_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcn7750_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6595_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6595au_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6696_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6698aq_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca8081_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca8337_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca9377_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qcm4490_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qcm5430_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qcm6490_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qcm8550_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qcn6024_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qcn9011_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qcn9012_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qcn9024_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qcn9274_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qcs410_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qcs4490_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qcs5430_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qcs610_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qcs615_firmware:-:*:*:*:*:*:*:*

More vulnerabilities in Qualcomm Ar8035 Firmware

CVE-2025-27034 — Critical (CVSS 9.8): Memory corruption while selecting the PLMN from SOR failed list.
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.

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