Auth bypass in Tendacn Ac18
CVE-2020-24987
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.lu…
Vulnerability class: Broken Authentication
EPSS: 0.031 (86.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Tendacn Ac18
- Tendacn Ac18_firmware
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Product, x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (x_refsource_MISC, Broken Link)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-24987?
- CVE-2020-24987 is a critical-severity vulnerability in Tendacn Ac18, classified under Improper Authentication. CVSS score: 9.8/10. Published 2020-09-04.
- How severe is CVE-2020-24987?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2020-24987 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.