Home / Vulnerabilities / CVE-2021-35395
CRITICAL SEVERITY
CVE-2021-35395 Realtek · AP-Router SDK

Realtek AP-Router SDK Buffer Overflow Vulnerability

Technical Severity

CVSS v3.1 Metrics

CRITICAL
9.8 / 10
Minimal Risk Critical
Vector Specification
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitation Likelihood

EPSS Prediction

93.66 %
Predictive Probability
Percentile Rank
99.8 th

Documented as more likely to be exploited than 99.8% of known CVEs.

Detection Date

Nov 03, 2021

Remediation Due

Nov 17, 2021

CISA Catalog Active

Threat Analysis

Realtek AP-Router SDK HTTP web server boa contains a buffer overflow vulnerability due to unsafe copies of some overly long parameters submitted in the form that lead to denial-of-service (DoS).

Remediation Directive

Apply updates per vendor instructions.

External Intelligence