High severity8.8NVD Advisory· Published Apr 29, 2021· Updated Jun 17, 2026
CVE-2021-20091
CVE-2021-20091
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.
AI Insight
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Affected products
5- cpe:2.3:o:buffalo:wsr-2533dhp3-bk_firmware:*:*:*:*:*:*:*:*Range: <=1.24
- cpe:2.3:o:buffalo:wsr-2533dhpl2-bk_firmware:*:*:*:*:*:*:*:*Range: <=1.02
- Buffalo/WSR-2533DHPL2 firmwaredescription
- Range: <=1.02
- Range: <=1.24
Patches
Vulnerability mechanics
References
1- www.tenable.com/security/research/tra-2021-13nvdThird Party Advisory
News mentions
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