CVE-2020-24987
9.8
CRITICAL · CVSS 3.1 · EPSS 3.1% (pctl 87)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
Description
Tenda AC18 Router through V15.03.05.05_EN and through V15.03.05.19(6318) CN devices could cause a remote code execution due to incorrect authentication handling of vulnerable logincheck() function in /usr/lib/lua/ngx_authserver/ngx_wdas.lua file if the administrator UI Interface is set to "radius".
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 3.1% — more likely to be exploited than 87% of all CVEs |
| Weakness | CWE-287 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2020-09-04 |
| Last modified | 2026-06-17 |
Affected (2)
| Vendor | Product |
|---|---|
| tendacn | ac18 |
| tendacn | ac18 firmware |
References
- https://cwe.mitre.org/data/definitions/287.html
- https://drive.google.com/file/d/1iqpr0EofOBC6kCq2USTOBPRlJu_naFjQ/view?usp=sharing
- https://www.tendacn.com/en/product/AC18.html
- https://cwe.mitre.org/data/definitions/287.html
- https://drive.google.com/file/d/1iqpr0EofOBC6kCq2USTOBPRlJu_naFjQ/view?usp=sharing
- https://www.tendacn.com/en/product/AC18.html
→ the Explorer · watch your stack · NVD