What’s Vulnerable › Vulnerabilities

CVE-2020-24987

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-09-04 · updated 2026-06-17
• Weakness: CWE-287

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".

Affected products

• Tendacn Ac18 Firmware: through v15.03.05.05_en; through v15.03.05.19\(6318\)_cn

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

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