CVE Catalog

CVE-2021-45757

HighCVSS 7.5
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Elevated risk
1.06%

60th percentile - higher than 60% of all known CVEs

Summary

A buffer overflow vulnerability exists in the blocking.cgi script of ASUS AC68U routers version 3.0.0.4.385.20852 and earlier. This flaw can lead to a denial of service (DoS).

Risk Assessment

An attacker can remotely crash the router, disrupting network connectivity and internet services for the organization.

Recommendation

Immediately update the ASUS AC68U router firmware to the latest available version that includes a fix for this vulnerability.

Related vulnerabilities

Original NVD description (English source)

ASUS AC68U <=3.0.0.4.385.20852 is affected by a buffer overflow in blocking.cgi, which may cause a denial of service (DoS).

Vulnerability data from NVD (NIST) · CISA KEV · EPSS