ASUS Routers Improper Authentication Vulnerability (CVE-2021-32030)
Severity: critical · Patch status: unknown · Since 2025-06-02 · CVE-2021-32030
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. CISA added CVE-2021-32030 to its Known Exploited Vulnerabilities catalog on Jun 2, 2025, which means attackers are exploiting it in the wild.
What to do
- Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- US federal agencies must remediate by Jun 23, 2025 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch