CVE-2022-21757 json
In WIFI Firmware, there is a possible system crash due to a missing count check.
published 2022-06-06 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-26921
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 46%
- public exploits
- 0
- none known
Summary
In WIFI Firmware, there is a possible system crash due to a missing count check. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS06468894; Issue ID: ALPS06468894.
Exploit prediction
0.56% chance of exploitation in the next 30 days, higher than 46% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 7.8 | AV:N/AC:L/Au:N/C:N/I:N/A:C |
Affected products
- MediaTek, Inc. MT6833, MT6853, MT6877, MT6885, MT6889, MT6983, MT6985, MT8167S, MT8168, MT8175, MT8183, MT8185, MT8362A, MT8365, MT8385, MT8667, MT8675, MT8766, MT8768, MT8786, MT8788, MT8789, MT8797
Classification
- Weakness
-
- CWE-354 Improper Validation of Integrity Check Value
References
-
corp.mediatek.com
/product-security-bulletin/June-2022
vendor-advisory
Sources
- CVE List CVE-2022-21757
- NVD CVE-2022-21757
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