CVE-2023-27359
highpriority · track · 32EPSS 0.012 · 67 %ileEURUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.4–9.8
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (3)
Products and version ranges known to be affected.
also known as (6)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (5)
External citations — patches, advisories, analysis.
- https://cxsecurity.com/cveshow/CVE-2023-27359/cnnvd
- https://www.tp-link.com/us/support/download/archer-ax21/v3/#FirmwarePatchcnnvd
- https://www.zerodayinitiative.com/advisories/ZDI-23-452/cnnvd
- https://www.zerodayinitiative.com/advisories/ZDI-23-452/enisa_euvd
- https://www.zerodayinitiative.com/advisories/ZDI-23-452/Third Party Advisorynvd
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