What’s Vulnerable › Vulnerabilities

CVE-2020-35576

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 42.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-01-26 · updated 2026-06-17
• Weakness: CWE-78

Description

A Command Injection issue in the traceroute feature on TP-Link TL-WR841N V13 (JP) with firmware versions prior to 201216 allows authenticated users to execute arbitrary code as root via shell metacharacters, a different vulnerability than CVE-2018-12577.

Affected products

• TP-Link TL-WR841N: before 201216 — fixed in 201216

How to fix

Upgrade to a fixed version: TP-Link TL-WR841N 201216. Check the vendor advisory for mitigations.

References

• https://jvn.jp/en/vu/JVNVU92444096/
• https://www.tp-link.com/jp/support/download/tl-wr841n/v13/#Firmware
• https://www.tp-link.com/us/security
• https://jvn.jp/en/vu/JVNVU92444096/
• https://www.tp-link.com/jp/support/download/tl-wr841n/v13/#Firmware
• https://www.tp-link.com/us/security

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