Risk Letters

Exploited vulnerability

CVE-2021-35395

TLP:CLEAR

Realtek AP-Router SDK Buffer Overflow Vulnerability

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).

Facts

  • Vendor: Realtek
  • Product: AP-Router SDK
  • CVSS: 9.8
  • EPSS (probability of exploitation within 30 days): 98.1 %
  • On CISA's Known Exploited Vulnerabilities list since: 3 November 2021
  • First known exploitation: 3 November 2021
  • CISA's deadline for US federal agencies: 17 November 2021
  • Weakness: CWE-20
  • First seen by Risk Letters: 3 November 2021

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