---
id: CVE-2026-76955
title: >-
  A buffer overflow vulnerability in the zdp_wtp binary in Zyxel NWA110AX
  firmware versions through 7.12(ABTG.0)C0 could allow a LAN-based attacker to
  escalate privileges on an affected device.
summary: >-
  A buffer overflow vulnerability in the zdp_wtp binary in Zyxel NWA110AX
  firmware versions through 7.12(ABTG.0)C0 could allow a LAN-based attacker to
  escalate privileges on an affected device.
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cvssSource: cna
cwe:
  - CWE-120
vendor: Zyxel
product: NWA110AX firmware
affected:
  - nwa110ax_firmware <= 7.12(ABTG.0)C0
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-11-04T04:56:27.661157Z'
published: '2026-11-03'
updated: '2026-11-04'
sourceUpdated: '2026-11-04T13:33:12.801Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-76955'
references:
  - url: >-
      https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-buffer-overflow-vulnerability-in-certain-aps-fwa7-and-security-routers-11-03-2026
tags:
  - cve.org
epss: 0.00252
epssPercentile: 0.16809
ingestedAt: '2026-11-05T20:33:06.735Z'
---

## Overview

A buffer overflow vulnerability in the zdp_wtp binary in Zyxel NWA110AX firmware versions through 7.12(ABTG.0)C0 could allow a LAN-based attacker to escalate privileges on an affected device.

## Affected

- `nwa110ax_firmware <= 7.12(ABTG.0)C0`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.