What’s Vulnerable › Vulnerabilities

CVE-2023-39935

• Severity: high (CVSS 8.0 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-09-06 · updated 2026-06-17
• Weakness: CWE-78

Description

Archer C5400 firmware versions prior to 'Archer C5400(JP)_V2_230506' allows a network-adjacent authenticated attacker to execute arbitrary OS commands.

Affected products

• TP-LINK Archer C5400: before 230506 — fixed in 230506

How to fix

Upgrade to a fixed version: TP-LINK Archer C5400 230506. Check the vendor advisory for mitigations.

References

• https://jvn.jp/en/vu/JVNVU99392903/
• https://www.tp-link.com/jp/support/download/archer-c5400/#Firmware
• https://jvn.jp/en/vu/JVNVU99392903/
• https://www.tp-link.com/jp/support/download/archer-c5400/#Firmware

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