What’s Vulnerable › Vulnerabilities

CVE-2026-5511: Information Disclosure via Diagnostic Interface Due to Improper Input Validation on TP-Link's Archer AX72

• Severity: low (CVSS 2.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-19 · updated 2026-07-24
• Weakness: CWE-209

Description

In the web management interface of Archer AX72 (SG) v1, the network diagnostic feature improperly handles invalid user input, resulting in limited exposure of diagnostic command usage information.  An authenticated attacker with administrative privileges could exploit this issue to confirm the presence of the diagnostic utility and view its valid command-line syntax and options.  The exposed information is limited in scope and does not include sensitive system data.

Affected products

• TP-Link Systems Inc. Archer AX72 (SG) v1.0: before 1.4.6 — fixed in 1.4.6

How to fix

Upgrade to a fixed version: TP-Link Systems Inc. Archer AX72 (SG) v1.0 1.4.6. Check the vendor advisory for mitigations.

References

• https://www.tp-link.com/sg/support/download/archer-ax72/#Firmware
• https://www.tp-link.com/us/support/faq/5096/

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