CVE-2024-20017
criticalIn wlan service, there is a possible out of bounds write due to improper input validation.
Vendor / product: Mediatek — software development kit
In wlan service, there is a possible out of bounds write due to improper input validation. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation Patch ID: WCNCR00350938; Issue ID: MSV-1132.
CVSS
9.8
9.8 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Severity source: NVD CVSS v3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
Timeline (UTC)
Published: 2024-03-04 03:15
Modified: 2026-11-03 22:17
NVD status: Analyzed
Last synced 1 day ago
Verified against the source API 2026-11-03 22:24 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
mediatek / software_development_kit ≤7.4.0.1, ≤7.6.7.0
openwrt / openwrt 19.07.0, 21.02.0
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
Vendor advisory: https://corp.mediatek.com/product-security-bulletin/March-2024
Vendor advisory: https://corp.mediatek.com/product-security-bulletin/March-2024
References
- https://corp.mediatek.com/product-security-bulletin/March-2024 security@mediatek.com
- https://blog.coffinsec.com/0day/2024/08/30/exploiting-CVE-2024-20017-four-different-ways.h... af854a3a-2127-422b-91ae-364da2661108
- https://blog.sonicwall.com/en-us/2024/09/critical-exploit-in-mediatek-wi-fi-chipsets-zero-... af854a3a-2127-422b-91ae-364da2661108
- https://corp.mediatek.com/product-security-bulletin/March-2024 af854a3a-2127-422b-91ae-364da2661108
- https://news.ycombinator.com/item?id=41605680 af854a3a-2127-422b-91ae-364da2661108
Data sources
NVD CVE API 2.0 — fetched 2026-11-03 22:24 UTC · record ↗