CVE-2026-30814

Buffer Overflow Vulnerability in TP-Link AX53

Published Apr 8, 2026 CVSS 4.0 · 7.3 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Tp-link archer Ax53
Tp-link archer Ax53 Firmware
Weaknesses CWE-787
CPEs cpe:2.3:h:tp-link:archer_ax53:1.0:*:*:*:*:*:*:*
cpe:2.3:o:tp-link:archer_ax53_firmware:*:*:*:*:*:*:*:*
Vendors & Products Tp-link archer Ax53
Tp-link archer Ax53 Firmware
Metrics cvssV3_1

{'score': 8.0, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
First Time appeared Tp-link
Tp-link ax53 V1
Vendors & Products Tp-link
Tp-link ax53 V1
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Buffer Overflow Vulnerability in TP-Link AX53
Weaknesses CWE-121
References
Metrics cvssV4_0

{'score': 7.3, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
TPLink
Published
Updated
May 7, 2026, 3:47 PM
Reserved
Mar 5, 2026, 5:35 PM
Status
Modified
Published
Apr 8, 2026, 7:25 PM
Modified
Jul 25, 2026, 11:10 AM