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HIGH · 8.8

CVE-2021-20091

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 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.

CVSS Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
BuffaloWsr-2533Dhpl2-Bk Firmware<= 1.02
BuffaloWsr-2533Dhpl2-Bk-
BuffaloWsr-2533Dhp3-Bk Firmware<= 1.24
BuffaloWsr-2533Dhp3-Bk-

References

FAQ

What is CVE-2021-20091?

CVE-2021-20091 is a vulnerability with a CVSS score of 8.8 (HIGH). 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...

How severe is CVE-2021-20091?

CVE-2021-20091 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-20091?

Check the references section above for vendor advisories and patch information. Affected products include: Buffalo Wsr-2533Dhpl2-Bk Firmware, Buffalo Wsr-2533Dhpl2-Bk, Buffalo Wsr-2533Dhp3-Bk Firmware, Buffalo Wsr-2533Dhp3-Bk.