Vulnerability · Published Apr 29, 2021 · Assigned by tenable

CVE-2021-20091

High 8.8

In plain English

A high-severity security flaw in Buffalo WSR-2533DHPL2, Buffalo WSR-2533DHP3. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 8.5% (higher than 95% of all known vulnerabilities). Ready-made attack tooling exists: Nuclei.

Severity (CVSS NVD)8.8High
Exploit odds (30 days)8.5%top 5.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack tooling1Nuclei

Official description

The web interfaces of Buffalo WSR-2533DHPL2 firmware version <= 1.02 and WSR-2533DHP3 firmware version <= 1.24 do not properly sanitize user input. An authenticated remote attacker could leverage this vulnerability to alter device configuration, potentially gaining remote code execution.

Affected products (as reported)

VendorProductVersions
n/a Buffalo WSR-2533DHPL2, Buffalo WSR-2533DHP3 WSR-2533DHPL2 <=1.02, WSR-2533DHP3 <= 1.24

References