Risk Letters

Exploited vulnerability

CVE-2021-32030

TLP:CLEAR

ASUS Routers Improper Authentication Vulnerability

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.

Facts

  • Vendor: ASUS
  • Product: Routers
  • CVSS: 9.8
  • EPSS (probability of exploitation within 30 days): 99.4 %
  • On CISA's Known Exploited Vulnerabilities list since: 2 June 2025
  • First known exploitation: 2 June 2025
  • CISA's deadline for US federal agencies: 23 June 2025
  • Weakness: CWE-287
  • First seen by Risk Letters: 2 June 2025

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Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD