CVE-2021-3229
highpriority · track · 31EPSS 0.027 · 86 %ileEUUSEPSS · scored 2026-10-27
Denial of service in ASUSWRT ASUS RT-AX3000 firmware versions 3.0.0.4.384_10177 and earlier versions allows an attacker to disrupt the use of device setup services via continuous login error.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–7.8
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (2)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (11)
External citations — patches, advisories, analysis.
- https://dlcdnimgs.asus.com/websites/global/productcustomizedTab/562/ASUSWRT%20portal%20feature.pdfcnnvd
- https://github.com/fullbbadda1208/ASUSWRT-Denial_of_Service/blob/master/Vulnerability%20Report.mdcnnvd
- https://github.com/fullbbadda1208/CVE-2021-3229cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2021-3229cnnvd
- https://www.asus.com/us/ASUSWRT/cnnvd
- https://dlcdnimgs.asus.com/websites/global/productcustomizedTab/562/ASUSWRT%20portal%20feature.pdfenisa_euvd
- https://github.com/fullbbadda1208/CVE-2021-3229enisa_euvd
- https://www.asus.com/us/ASUSWRT/enisa_euvd
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