CVE-2023-20691 json
In wlan firmware, there is possible system crash due to an integer overflow.
published 2023-07-04 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-24870
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 38%
- public exploits
- 0
- none known
Summary
In wlan firmware, there is possible system crash due to an integer overflow. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07664731; Issue ID: ALPS07664731.
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 23 mo ago
Exploit prediction
0.45% chance of exploitation in the next 30 days, higher than 38% 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 |
Affected products
- MediaTek, Inc. MT6739, MT8167, MT8321, MT8365, MT8385, MT8666, MT8765, MT8788
Classification
- Weakness
-
- CWE-190 Integer Overflow or Wraparound
References
-
corp.mediatek.com
/product-security-bulletin/July-2023
vendor-advisory
Sources
- CVE List CVE-2023-20691
- NVD CVE-2023-20691
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