CVE-2021-35395
Realtek AP-Router SDK Buffer Overflow Vulnerability
CVSS
—
No CVSS
EPSS
98.0%
p100
KEV
YES
Nov 3, 2021
Exploit Today
80
0-100
Published: — · Last modified: —
98.0%EPSS · 30 days98.1%
2026-06-302026-07-16
Product
Realtek / AP-Router SDK
Vulnerability
Realtek AP-Router SDK Buffer Overflow Vulnerability
Added to KEV
Nov 3, 2021
Remediate by
Nov 17, 2021
Known ransomware use
No
Summary description
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).
Required action
Apply updates per vendor instructions.
Notes
https://nvd.nist.gov/vuln/detail/CVE-2021-35395
No related CVEs by CWE or product.