Exploited vulnerability · CISA KEV

Is CVE-2021-32030 exploited? Yes: in CISA KEV since 2 Jun 2025

Gociux · ASUS Routers · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2021-32030, ASUS Routers Improper Authentication Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 2 Jun 2025, 1488 days after it was published. It affects ASUS Routers. If you run it, CISA's required action is: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

What it is

ASUS Lyra Mini and ASUS GT-AC2900 devices contain an improper authentication vulnerability that allows an attacker to gain unauthorized access to the administrative interface. The impacted products could be end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue product utilization.

What to do

1. Check whether you run it. Look for Routers in your asset inventory, including appliances and cloud images. Stack check lists every exploited ASUS CVE at once.
2. Apply the fix. Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
3. If you can't patch today, take the affected service off the internet or restrict who can reach it, and check its logs for signs of compromise since 6 May 2021.
4. Get told next time. Email alerts when CISA adds a CVE for ASUS.

References

• www.asus.com/us/supportonly/lyra%20mini/helpdesk_bios/
• www.asus.com/us/supportonly/rog%20rapture%20gt-ac2900/helpdesk_bios/
• nvd.nist.gov/vuln/detail/CVE-2021-32030

Sources: CISA KEV (exploitation, ransomware use, required action, due date), the CVE record (publication date, CVSS, CNA), NVD and FIRST EPSS (live score). More: all KEV additions in June 2025 · ASUS scorecard · act-now radar.