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CVE-2021-20091

HIGH
8.8
CVSS Score
Published: April 29, 2021 at 02:29 PM UTC
Updated: June 17, 2026 at 03:33 AM UTC
6 products affected across 1 vendorWsr 2533DHPL2 Bk FirmwareWsr 2533DHP3 Bk FirmwareWsr-2533Dhpl2-Bk

Using Buffalo WSR-2533DHPL2, Buffalo WSR-2533DHP3 by N/A?

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Severity
HIGH8.8
Exploit prediction
EPSS 8%

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Wsr 2533DHP3 Bk Firmware· Buffalo
95%
v ≤ 1.24
buffalo-wsr-2533dhp3-bk (same device)
Wsr 2533DHPL2 Bk Firmware· Buffalo
95%
v ≤ 1.02
buffalo-wsr-2533dhpl2-bk (same device)
WSR-2533DHP3· Buffalo
60%
v ≤ 1.02
WSR-2533DHPL2· Buffalo
60%
v ≤ 1.02
Wsr-2533Dhp3-Bk· Buffalodevice
80%
All versions
Wsr-2533Dhpl2-Bk· Buffalodevice
80%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

x_refsource_MISCThird Party Advisory
Source: [email protected]
https://www.tenable.com/security/research/tra-2021-13

CVSS

8.8HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

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