How severe is CVE-2022-32663?

CVE-2022-32663 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-2022-32663 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-32663?

CVE-2022-32663 primarily affects Mediatek Mt5221 Firmware. In total, 22 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-32663?

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-2022-32663 published?

CVE-2022-32663 was published on 2023-02-06 and last updated on 2026-06-17.

CVE-2022-32663

CVE-2022-32663 is a high-severity vulnerability in Mediatek Mt5221 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-476.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Mediatek Mt5221 Firmware
Published: 2023-02-06
Last modified: 2026-06-17

Description

In Wi-Fi driver, there is a possible system crash due to null pointer dereference. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: GN20220720014; Issue ID: GN20220720014.

Frequently asked questions

What is CVE-2022-32663?: In Wi-Fi driver, there is a possible system crash due to null pointer dereference. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: GN20220720014; Issue ID: GN20220720014.
How severe is CVE-2022-32663?: CVE-2022-32663 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-2022-32663 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-32663?: CVE-2022-32663 primarily affects Mediatek Mt5221 Firmware. In total, 22 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-32663?: 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-2022-32663 published?: CVE-2022-32663 was published on 2023-02-06 and last updated on 2026-06-17.

References

https://corp.mediatek.com/product-security-bulletin/February-2023

Affected products (22)

cpe:2.3:o:mediatek:mt5221_firmware:7.6.6.1:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt7603_firmware:7.6.6.1:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt7613_firmware:7.6.6.1:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt7615_firmware:7.6.6.1:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt7622_firmware:7.6.6.1:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt7628_firmware:7.6.6.1:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt7629_firmware:7.6.6.1:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt7668_firmware:7.6.6.1:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt7902_firmware:7.6.6.1:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt7915_firmware:7.6.6.1:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt7916_firmware:7.6.6.1:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt7921_firmware:7.6.6.1:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt7981_firmware:7.6.6.1:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt7986_firmware:7.6.6.1:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8167s_firmware:7.6.6.1:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8175_firmware:7.6.6.1:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8362a_firmware:7.6.6.1:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8365_firmware:7.6.6.1:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8385_firmware:7.6.6.1:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8518s_firmware:7.6.6.1:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8532_firmware:7.6.6.1:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8788_firmware:7.6.6.1:*:*:*:*:*:*:*

More vulnerabilities in Mediatek Mt5221 Firmware

CVE-2022-32656 — Medium (CVSS 6.7): In Wi-Fi driver, there is a possible undefined behavior due to incorrect error handling. This could lead to local…
CVE-2022-32655 — Medium (CVSS 6.7): In Wi-Fi driver, there is a possible undefined behavior due to incorrect error handling. This could lead to local…
CVE-2022-32654 — Medium (CVSS 6.7): In Wi-Fi driver, there is a possible undefined behavior due to incorrect error handling. This could lead to local…

All CVEs affecting Mediatek Mt5221 Firmware →

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