01 Record
CVE-2019-6496
The ThreadX-based firmware on Marvell Avastar Wi-Fi devices, models 88W8787, 88W8797, 88W8801, 88W8897, and 88W8997, allows remote attackers to execute arbitrary code or cause a denial of service
UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector
02 Description
The ThreadX-based firmware on Marvell Avastar Wi-Fi devices, models 88W8787, 88W8797, 88W8801, 88W8897, and 88W8997, allows remote attackers to execute arbitrary code or cause a denial of service
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 6.61% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 93.5% of scored records. A rank, not a probability.
- NVD base score
- 8.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2019-01-19 17:00Z7 YR AGO
- Last updated
- 2024-08-04 20:23Z2 YR AGO
- Reserved
- 2019-01-19
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-787Out-of-bounds WriteBase
- Data version
- 5.1
- Document digest
- 938543f5fba62252a8ede6574a3957cd49a2d0d95326a9d0411356c18788fc2e
05 Affected products
VendorProductVersionsPlatforms
06 References
- www.scribd.comhttps://www.scribd.com/document/398350818/WiFi-CVE-2019-6496-Marvell-s-Statement
- www.securityfocus.com106865http://www.securityfocus.com/bid/106865
- 2018.zeronights.ruhttps://2018.zeronights.ru/wp-content/uploads/materials/19-Researching-Marvell-Avastar-Wi-Fi.pdf
- embedi.orghttps://embedi.org/blog/remotely-compromise-devices-by-using-bugs-in-marvell-avastar-wi-fi-from-zero-knowledge-to-zero-click-rce/
- www.zdnet.comhttps://www.zdnet.com/article/wifi-firmware-bug-affects-laptops-smartphones-routers-gaming-devices/
- www.synology.comhttps://www.synology.com/security/advisory/Synology_SA_19_07
- www.kb.cert.orgVU#730261https://www.kb.cert.org/vuls/id/730261/