CVE-2021-20091

HIGH EXPLOITED IN THE WILD NUCLEI

Buffalo Wsr-2533dhpl2-bk Firmware < 1.02 - Remote Code Execution

Title source: rule

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.

Nuclei Templates (1)

Buffalo WSR-2533DHPL2 - Configuration File Injection

HIGHby gy741,pdteam,parth

References (1)

[Third Party Advisory] https://www.tenable.com/security/research/tra-2021-13

Scores

CVSS v3 8.8

EPSS 0.8470

EPSS Percentile 99.3%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

VulnCheck KEV 2021-09-20

InTheWild.io 2021-12-17

Status published

Products (2)

buffalo/wsr-2533dhp3-bk_firmware < 1.24

buffalo/wsr-2533dhpl2-bk_firmware < 1.02

Published Apr 29, 2021

Tracked Since Feb 18, 2026