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CVE-2026-30814— Buffer Overflow Vulnerability in TP-Link AX53

Quick assessment

Affected
TP-Link Systems Inc. AX53 v1.0
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

TP-Link Archer AX53是中国普联（TP-Link）公司的一款双拼路由器。 TP-Link Archer AX53 v1.0 1.7.1 Build 20260213之前版本存在安全漏洞，该漏洞源于tmpServer模块存在基于栈的缓冲区溢出，可能导致执行任意代码。

AI Predicted 6.5 Difficulty: Moderate EPSS 0.56% · P44

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
TP-Link Systems Inc. AX53 v1.0 < 1.7.1 Build 20260213 affected
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I. Basic Information for CVE-2026-30814

Vulnerability Information
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Vulnerability Title
Buffer Overflow Vulnerability in TP-Link AX53
Source: CVE Program / CVE List V5
Vulnerability Description
A stack-based buffer overflow in the tmpServer module of TP-Link Archer AX53 v1.0 allows an authenticated adjacent attacker to trigger a segmentation fault and potentially execute arbitrary code via a specially crafted configuration file. Successful exploitation may cause a crash and could allow arbitrary code execution, enabling modification of device state, exposure of sensitive data, or further compromise of device integrity. This issue affects AX53 v1.0: before 1.7.1 Build 20260213.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:A/AC:H/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
TP-Link Archer AX53 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TP-Link Archer AX53是中国普联（TP-Link）公司的一款双拼路由器。 TP-Link Archer AX53 v1.0 1.7.1 Build 20260213之前版本存在安全漏洞，该漏洞源于tmpServer模块存在基于栈的缓冲区溢出，可能导致执行任意代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
TP-Link Systems Inc. AX53 v1.0 0 ~ 1.7.1 Build 20260213 -

II. Public POCs for CVE-2026-30814

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III. Intelligence Information for CVE-2026-30814

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Vendor Advisories for CVE-2026-30814 (1)

Same Patch Batch · TP-Link Systems Inc. · 2026-04-08 · 5 CVEs total

CVE-2026-30816 Arbitrary File Reading Vulnerability in OpenVPN Module in TP-Link AX53
CVE-2026-30818 OS Command Injection Vulnerability in dnsmasq Module in TP-Link AX53
CVE-2026-30815 OS Command Injection Vulnerability in OpenVPN Module in TP-Link AX53
CVE-2026-30817 Arbitrary File Reading Vulnerability in dnsmasq Module in TP-Link AX53

IV. Related Vulnerabilities

Same product: AX53 v1.0
Same vendor: TP-Link Systems Inc.
Same weakness: CWE-121

V. Comments for CVE-2026-30814

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