CVE-2023-33053

CVE-2023-33053 is a high-severity vulnerability in Qualcomm Csr8811 Firmware with a CVSS 3.x base score of 8.4. 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-129.

Key facts

• Severity: High (CVSS 3.x base score 8.4)
• EPSS exploit prediction: 0% (4th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-129
• Affected product: Qualcomm Csr8811 Firmware
• Published: 2023-12-05
• Last modified: 2026-06-17

Description

Memory corruption in Kernel while parsing metadata.

Frequently asked questions

What is CVE-2023-33053?

Memory corruption in Kernel while parsing metadata.

How severe is CVE-2023-33053?

CVE-2023-33053 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-33053 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-33053?

CVE-2023-33053 primarily affects Qualcomm Csr8811 Firmware. In total, 117 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-33053?

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.

When was CVE-2023-33053 published?

CVE-2023-33053 was published on 2023-12-05 and last updated on 2026-06-17.

References

• https://www.qualcomm.com/company/product-security/bulletins/december-2023-bulletin

Affected products (117)

• cpe:2.3:o:qualcomm:csr8811_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:wcn6750_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:wcn685x-5_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:wcn685x-1_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:wcn785x-1_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:wcn785x-5_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:immersive_home_3210_platform_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:immersive_home_326_platform_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:ipq5010_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:ipq5028_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:ipq5332_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:ipq6000_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:ipq6010_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:ipq6018_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:ipq6028_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:ipq8070a_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:ipq8071a_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:ipq8072a_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:ipq9554_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:ipq9570_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:ipq9574_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qam8255p_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qam8295p_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qam8650p_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qam8775p_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qca0000_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qca4024_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qca6174a_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.

All CVEs affecting Qualcomm Csr8811 Firmware →

Other CWE-129 (Improper Validation of Array Index) vulnerabilities

• CVE-2020-27485 — Critical (CVSS 9.9): Garmin Forerunner 235 before 8.20 is affected by: Array index error. The component is: ConnectIQ TVM. The attack vector…
• CVE-2020-27483 — Critical (CVSS 9.9): Garmin Forerunner 235 before 8.20 is affected by: Array index error. The component is: ConnectIQ TVM. The attack vector…
• CVE-2026-21413 — Critical (CVSS 9.8): A heap-based buffer overflow vulnerability exists in the lossless_jpeg_load_raw functionality of LibRaw Commit 0b56545…
• CVE-2025-27034 — Critical (CVSS 9.8): Memory corruption while selecting the PLMN from SOR failed list.
• CVE-2025-3357 — Critical (CVSS 9.8): IBM Tivoli Monitoring 6.3.0.7 through 6.3.0.7 Service Pack 19 could allow a remote attacker to execute arbitrary code…
• CVE-2024-45569 — Critical (CVSS 9.8): Memory corruption while parsing the ML IE due to invalid frame content.

Browse all CWE-129 (Improper Validation of Array Index) vulnerabilities →