CVE-2021-40597
Edimax
- Published
- 29 June 2022
- Last modified
- 17 June 2026
- CVSS
- 9.8 v3.1
- Severity
- critical
- EPSS
- 2.0% (79th pct)
- CISA KEV
- Not listed
- NVD status
- Modified
- Weaknesses
- CWE-798
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Description
The firmware of EDIMAX IC-3140W Version 3.11 is hardcoded with Administrator username and password.
Exploitation
Not listed in the CISA Known Exploited Vulnerabilities catalogue as of 2026.09.04. That is an absence of confirmed public exploitation, not evidence that exploitation has not occurred. EPSS models a 2.0% probability of exploitation activity in the next 30 days.
Affected products
| Product | Vendor | Type | Versions named |
|---|---|---|---|
| IC-3140W | Edimax | unknown | 3.07, 3.11, <= 3.06 |
References
Vendor advisory and patch
- https://www.edimax.com/edimax/download/download/data/edimax/global/download/
- https://www.edimax.com/edimax/download/download/data/edimax/global/download/
- https://drive.google.com/file/d/1DZCzVULjchY0rSJBXIPr0gJM1qWCcAZ5/view?usp=sharing third-party
- https://drive.google.com/file/d/1ZPFwAoO8tAD0zrWwVZ9W6-CUCrcM0Exm/view?usp=sharing exploit
- https://drive.google.com/file/d/1DZCzVULjchY0rSJBXIPr0gJM1qWCcAZ5/view?usp=sharing third-party
- https://drive.google.com/file/d/1ZPFwAoO8tAD0zrWwVZ9W6-CUCrcM0Exm/view?usp=sharing exploit
Record assembled from NVD, CISA KEV 2026.09.04 and FIRST EPSS 2026-09-04. Affected products are those NVD's CPE configuration names that fall inside this site's scope; a CVE may affect products outside it.