Paper/Archive/CVE-2023-27359

CVE-2023-27359

TP-Link AX1800 — TP-Link AX1800 hotplugd Firewall Rule Race Condition Vulnerability

CVSS 9.8 (CNA)9.8 / 10 × 3029.4 Not in CISA KEV+300.0 EPSS percentile 67.4.674 × 2013.5 No public exploit+100.0 SSVC exploitation: none+100.0

Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource

AX1800AX21(US)_V3_1.1.1 Build 20220603–CNA

archer_ax21_firmware3_1.1.1–CISA-ADP

Scores by source

zdi (CNA)9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refzerodayinitiative.com/advisories/ZDI-23-452