What’s Vulnerable › Vulnerabilities

CVE-2020-8423

• Severity: high (CVSS 7.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 9.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-04-02 · updated 2026-06-17
• Weakness: CWE-120

Description

A buffer overflow in the httpd daemon on TP-Link TL-WR841N V10 (firmware version 3.16.9) devices allows an authenticated remote attacker to execute arbitrary code via a GET request to the page for the configuration of the Wi-Fi network.

Affected products

• TP-Link TL-WR841N: 3.16.9

References

• https://ktln2.org/2020/03/29/exploiting-mips-router/
• https://www.tp-link.com/us/security
• https://ktln2.org/2020/03/29/exploiting-mips-router/
• https://www.tp-link.com/us/security

Get alerted when CVE-2020-8423 or the next vulnerability affects your stack