Vulnerability in Buffalo Wsr-2533dhp3-Bk
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 to alter device configuration, potentially gaining remote code execution.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.088 (95.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 95.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.088 · newest: 0.088 · change: 0.000
Affected products
- Buffalo Wsr-2533dhp3-Bk
- Buffalo Wsr-2533dhp3-Bk Firmware
- Buffalo Wsr-2533dhpl2-Bk
- Buffalo Wsr-2533dhpl2-Bk Firmware
- Buffalo Wsr-2533dhpl2, Wsr-2533dhp3 — versions WSR-2533DHPL2 <=1.02, WSR-2533DHP3 <= 1.24
Public proof-of-concept exploits
References
- www.tenable.com/security/research/tra-2021-13 (Third Party Advisory)
Frequently asked questions
- What is CVE-2021-20091?
- CVE-2021-20091 is a high-severity vulnerability in Buffalo Wsr-2533dhp3-Bk. CVSS score: 8.8/10. Published 2021-04-29.
- How severe is CVE-2021-20091?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2021-20091 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.