CVE-2021-20091
Last modified
CVE-2021-20091 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 8.69% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Buffalo | Wsr-2533dhpl2-Bk Firmware | <= 1.02 |
| Buffalo | Wsr-2533dhp3-Bk Firmware | <= 1.24 |
References
- https://www.tenable.com/security/research/tra-2021-13Third Party Advisory
- https://www.tenable.com/security/research/tra-2021-13Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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