CVE-2020-3645

CVE-2020-3645 is a high-severity vulnerability in Qualcomm Ipq6018 Firmware with a CVSS 3.x base score of 7.5. 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-617.

Key facts

• Severity: High (CVSS 3.x base score 7.5)
• CVSS v2: 7.8
• EPSS exploit prediction: 1% (47th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-617
• Affected product: Qualcomm Ipq6018 Firmware
• Published: 2020-06-02
• Last modified: 2026-06-17

Description

Firmware will hit assert in WLAN firmware If encrypted data length in FILS IE of reassoc response is more than 528 bytes in Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking in IPQ6018, IPQ8074, Kamorta, Nicobar, QCA6390, QCA8081, QCN7605, QCS404, QCS405, QCS605, Rennell, SC7180, SC8180X, SDA845, SDM670, SDM710, SDM845, SDM850, SM6150, SM7150, SM8150, SXR1130, SXR2130

Frequently asked questions

What is CVE-2020-3645?

Firmware will hit assert in WLAN firmware If encrypted data length in FILS IE of reassoc response is more than 528 bytes in Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking in IPQ6018, IPQ8074, Kamorta, Nicobar, QCA6390, QCA8081, QCN7605, QCS404, QCS405, QCS605, Rennell, SC7180, SC8180X, SDA845, SDM670, SDM710, SDM845, SDM850, SM6150, SM7150, SM8150, SXR1130, SXR2130

How severe is CVE-2020-3645?

CVE-2020-3645 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2020-3645 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-3645?

CVE-2020-3645 primarily affects Qualcomm Ipq6018 Firmware. In total, 23 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-3645?

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-2020-3645 published?

CVE-2020-3645 was published on 2020-06-02 and last updated on 2026-06-17.

References

• https://www.qualcomm.com/company/product-security/bulletins/may-2020-bulletin

Affected products (23)

• cpe:2.3:o:qualcomm:ipq6018_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:ipq8074_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:kamorta_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:nicobar_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qca6390_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qca8081_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qcs404_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qcs405_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:rennell_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sc7180_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sc8180x_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sda845_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sdm670_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sdm710_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sdm850_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sm6150_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sm7150_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sm8150_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sxr1130_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sxr2130_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qcn7605_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qcs605_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sdm845_firmware:-:*:*:*:*:*:*:*

More vulnerabilities in Qualcomm Ipq6018 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 Ipq6018 Firmware →

Other CWE-617 (Reachable Assertion) vulnerabilities

• CVE-2020-3615 — Critical (CVSS 9.8): Valid deauth/disassoc frames is dropped in case if RMF is enabled and some rouge peer keep on sending rogue…
• CVE-2019-9795 — Critical (CVSS 9.8): A vulnerability where type-confusion in the IonMonkey just-in-time (JIT) compiler could potentially be used by…
• CVE-2026-31739 — High (CVSS 8.8): In the Linux kernel, the following vulnerability has been resolved: crypto: tegra - Add missing CRYPTO_ALG_ASYNC The…
• CVE-2020-12417 — High (CVSS 8.8): Due to confusion about ValueTags on JavaScript Objects, an object may pass through the type barrier, resulting in…
• CVE-2020-6623 — High (CVSS 8.8): stb stb_truetype.h through 1.22 has an assertion failure in stbtt__cff_get_index.
• CVE-2020-6619 — High (CVSS 8.8): stb stb_truetype.h through 1.22 has an assertion failure in stbtt__buf_seek.

Browse all CWE-617 (Reachable Assertion) vulnerabilities →