TI-2026-04828 Aliases CVE-2026-5511 GHSA-wcm6-86h3-r2cq

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

LOW 21CWE-209Published 2026-05-19 · Updated 2026-05-19

Key facts

Attack vector: Local
Privileges required: High
User interaction: None
Attack complexity: Low
Attack requirements: None
Impact type: Information disclosure
Confidentiality · integrity · availability: Low · None · None
Fix status: Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-209.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00216 12th percentileScored 2026-11-07

Fix Fixed Archer AX72 (SG) v1.0 (TP-Link Systems Inc.): 1.4.6 Build 20260112 rel.66206

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
TP-Link	Archer AX72 (SG) v1.0	before 1.4.6 Build 20260112 rel.66206	1.4.6 Build 20260112 rel.66206	Patch available	CNA

Archer AX72 (SG) v1.0 VendorTP-Link Affected before 1.4.6 Build 20260112 rel.66206 Fixed in 1.4.6 Build 20260112 rel.66206 Patch available CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:o:tp-link:archer_ax72_firmware::::::::	before 1.4.6	Vulnerable	TP-Link
cpe:2.3:h:tp-link:archer_ax72:1.0:::::::*	1.0	Running on	TP-Link

cpe:2.3:o:tp-link:archer_ax72_firmware:*:*:*:*:*:*:*:* Versions before 1.4.6 Vulnerable ·TP-Link
cpe:2.3:h:tp-link:archer_ax72:1.0:*:*:*:*:*:*:* Versions 1.0 Running on ·TP-Link

Remediation

Fix · CNA Archer AX72 (SG) v1.0 (TP-Link Systems Inc.) Fixed in 1.4.6 Build 20260112 rel.66206

Timeline

2026-10-02 Threatist record created from CVE-2026-5511
2026-10-03 Alias added: GHSA-wcm6-86h3-r2cq

References

Patch 1

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

Advisory 1

https://www.tp-link.com/us/support/faq/5096/

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences