Medium severity · published Apr 8, 2026
CVE-2026-30817
Arbitrary File Reading Vulnerability in dnsmasq Module in TP-Link AX53
5.7
CVSS
0.3%
EPSS
No
On KEV
Description
An external configuration control vulnerability in the OpenVPN module of TP-Link AX53 v1.0 allows an authenticated adjacent attacker to read arbitrary files when a malicious configuration file is processed. Successful exploitation may allow unauthorized access to arbitrary files on the device, potentially exposing sensitive information.This issue affects AX53 v1.0: before 1.7.1 Build 20260213.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector
Adjacent
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 28% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AV
AX53 v1.0 · TP-Link Systems Inc.
before 1.7.1 Build 20260213 · source: vendor
AA
Archer Ax53 Firmware · Tp-link
before 1.7.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-30817
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-30817
Third Party Advisory
https://talosintelligence.com/vulnerability_reports/
Product
https://www.tp-link.com/en/support/download/archer-ax53/v1/#Firmware
Product
https://www.tp-link.com/my/support/download/archer-ax53/v1/#Firmware
Vendor Advisory
https://www.tp-link.com/us/support/faq/5055/
www.talosintelligence.com
https://www.talosintelligence.com/vulnerability_reports/TALOS-2025-2305
More from AX53 v1.0
8.0
CVE-2026-30818
OS Command Injection Vulnerability in dnsmasq Module in TP-Link AX53
5.7
CVE-2026-30816
Arbitrary File Reading Vulnerability in OpenVPN Module in TP-Link AX53