What’s Vulnerable › Vulnerabilities

CVE-2021-3229

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-02-05 · updated 2026-06-17

Description

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.

Affected products

• ASUSTeK COMPUTER INC. ASUS Router RT-AX3000: through 3.0.0.4.384_10177

References

• https://dlcdnimgs.asus.com/websites/global/productcustomizedTab/562/ASUSWRT%20portal%20feature.pdf
• https://github.com/fullbbadda1208/CVE-2021-3229
• https://www.asus.com/us/ASUSWRT/
• https://dlcdnimgs.asus.com/websites/global/productcustomizedTab/562/ASUSWRT%20portal%20feature.pdf
• https://github.com/fullbbadda1208/CVE-2021-3229
• https://www.asus.com/us/ASUSWRT/

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