Vulnerability in TP-Link Archer Ax21
CVE-2023-27359
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.
Vulnerability class: Race Condition
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.012 (66.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 66th percentile — 66.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000
Affected products
- TP-Link Archer Ax21 — versions 3.0
- TP-Link Archer Ax21 Firmware — versions 1.1.1
- TP-Link Ax1800 — versions AX21(US)_V3_1.1.1 Build 20220603
Weakness classification (CWE)
References
- www.zerodayinitiative.com/advisories/ZDI-23-452/ (x_research-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2023-27359?
- CVE-2023-27359 is a high-severity vulnerability in TP-Link Archer Ax21, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 8.1/10. Published 2024-05-03.
- How severe is CVE-2023-27359?
- High severity. CVSS v3 base score is 8.1 out of 10.