TI-2023-12094 Aliases CVE-2023-27359 GHSA-h688-4pc2-376f

Race condition in TP-Link AX1800

MEDIUM 46CWE-362Published 2024-05-03 · Updated 2024-09-25

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: High
Impact type: —
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

TP-Link AX1800 hotplugd Firewall Rule Race Condition Vulnerability. This vulnerability allows remote attackers to gain access to LAN-side services on affected installations of TP-Link Archer AX21 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the hotplugd daemon. The issue results from firewall rule handling that allows an attacker access to resources that should be available to the LAN interface only. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the root user. . Was ZDI-CAN-19664.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.01169 67th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Total

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	AX1800	AX21(US)_V3_1.1.1 Build 20220603	—	No fix listed	CNA

AX1800 VendorTP-Link Affected AX21(US)_V3_1.1.1 Build 20220603 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:o:tp-link:archer_ax21_firmware:1.1.1:build20220603::::::	1.1.1 build20220603	Vulnerable	TP-Link
cpe:2.3:h:tp-link:archer_ax21:3.0:::::::*	3.0	Running on	TP-Link

cpe:2.3:o:tp-link:archer_ax21_firmware:1.1.1:build20220603:*:*:*:*:*:* Versions 1.1.1 build20220603 Vulnerable ·TP-Link
cpe:2.3:h:tp-link:archer_ax21:3.0:*:*:*:*:*:*:* Versions 3.0 Running on ·TP-Link

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2023-27359
2026-10-03 Alias added: GHSA-h688-4pc2-376f

References

Advisory 1

ZDI-23-452

TI-2023-01313 Command injection in TP-Link Archer AX21 KEVCVSS 3.1HIGH 8.8
TI-2023-15182 TP-Link Archer AX21(US)_V3_1.1.4 Build 20230219 and AX21(US)_V3.6_1.1.4 Build 20230219… CVSS 3.1CRITICAL 9.8
TI-2023-12081 Stack-based buffer overflow in TP-Link AX1800 CVSS 3.0HIGH 8.8
TI-2023-12067 Stack-based buffer overflow in TP-Link Archer AX21 CVSS 3.0HIGH 8.8
TI-2023-12068 Stack-based buffer overflow in TP-Link Archer AX21 CVSS 3.0MEDIUM 6.8

Sources

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