CVE-2024-20017: mediatek, inc. mt6890, mt7915, mt7916, mt7981, mt7986 Improper Input Validation
Vulnerability summary
CVE-2024-20017 is a critical (CVSS 9.8) Improper Input Validation vulnerability in mediatek, inc. mt6890, mt7915, mt7916, mt7981, mt7986. EPSS estimates a 46.61% chance of exploitation in the next 30 days, higher than 98.8% of scored vulnerabilities. 2 public exploits are recorded.
Timeline
- 04-03-2024PublishedVulnerability first disclosed.
- 25-09-2024Last modifiedVulnerability information updated.
Description
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 metrics
2 scores · 2 sources · 1 version- NVDNIST9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
46.61%
Chance of exploitation in the next 30 days
Percentile
99%
Versus all other CVEs
30-day change
0.00 pp
From 46.61% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
2 foundExploit Reference (blog.sonicwall.com)
Maturity: unknown
Exploit Reference (blog.coffinsec.com)
Maturity: unknown
Weaknesses
CWE · root cause- CWE-20Improper Input ValidationThe product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
- CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.
Affected systems
Mediatek1 product
- software_development_kit≤ 7.4.0.1 | ≤ 7.6.7.0
Mediatek, inc.1 product
- mt6890, mt7915, mt7916, mt7981, mt7986SDK version 7.4.0.1 and before (for MT7915) / SDK version 7.6.7.0 and before (for MT7916, MT7981 and MT7986) / OpenWrt 19.07, 21.02
Openwrt1 product
- openwrtEOL19.07.0 | 21.02.0
3 vendors · 3 products
References
4 links- corp.mediatek.com/product-security-bulletin/March-2024Vendor Advisory
- news.ycombinator.com/item?id=41605680Third Party Advisory
- blog.coffinsec.com/0day/2024/08/30/exploiting-CVE-2024-20017-four-different-ways.htmlExploitTechnical DescriptionThird Party Advisory