CVE-2021-20090

A path traversal vulnerability in the web interfaces of Buffalo WSR-2533DHPL2 firmware version <= 1.02 and WSR-2533DHP3 firmware version <= 1.24 could allow unauthenticated remote attackers to bypass authentication.

  • Published Apr 29, 2021
  • CVSS 9.8 critical
  • 100.0% chance of exploitation in the next 30 days (EPSS)
  • In CISA's Known Exploited Vulnerabilities catalog
  • Public exploit code is available

Affected software

CVE-2021-20090 at the National Vulnerability Database