How severe is CVE-2025-27040?

CVE-2025-27040 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2025-27040 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-2025-27040?

CVE-2025-27040 primarily affects Qualcomm Csr8811 Firmware. In total, 65 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-27040?

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

Does CVE-2025-27040 have an EU (EUVD) identifier?

Yes. CVE-2025-27040 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-33243.

When was CVE-2025-27040 published?

CVE-2025-27040 was published on 2025-10-09 and last updated on 2026-06-17.

CVE-2025-27040

CVE-2025-27040 is a medium-severity vulnerability in Qualcomm Csr8811 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-20.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-33243
Weakness: CWE-20
Affected product: Qualcomm Csr8811 Firmware
Published: 2025-10-09
Last modified: 2026-06-17

Description

Information disclosure may occur while processing the hypervisor log.

Frequently asked questions

What is CVE-2025-27040?: Information disclosure may occur while processing the hypervisor log.
How severe is CVE-2025-27040?: CVE-2025-27040 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2025-27040 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-2025-27040?: CVE-2025-27040 primarily affects Qualcomm Csr8811 Firmware. In total, 65 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-27040?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-27040 have an EU (EUVD) identifier?: Yes. CVE-2025-27040 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-33243.
When was CVE-2025-27040 published?: CVE-2025-27040 was published on 2025-10-09 and last updated on 2026-06-17.

References

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

Affected products (65)

cpe:2.3:o:qualcomm:csr8811_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:immersive_home_214_platform_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:immersive_home_216_platform_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:immersive_home_316_platform_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:immersive_home_318_platform_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq5010_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq5028_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq8070_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq8070a_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq8071_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq8071a_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq8072_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq8072a_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq8074_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq8074a_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq8076_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq8076a_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq8078_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq8078a_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq8173_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq8174_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq9008_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq9574_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pmp8074_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca4024_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6428_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6438_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6694_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca8072_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca8075_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca8081_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca9888_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca9889_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca9984_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qcn5022_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qcn5024_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qcn5052_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qcn5054_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qcn5064_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qcn5122_firmware:-:*:*:*:*:*:*:*

More vulnerabilities in Qualcomm Csr8811 Firmware

CVE-2024-45569 — Critical (CVSS 9.8): Memory corruption while parsing the ML IE due to invalid frame content.
CVE-2024-33066 — Critical (CVSS 9.8): Memory corruption while redirecting log file to any file location with any file name.
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-2023-33083 — Critical (CVSS 9.8): Memory corruption in WLAN Host while processing RRM beacon on the AP.

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