CVE-2026-76955 PUBLISHED

Assigner: Zyxel
Reserved: 20.08.2026 Published: 03.11.2026 Updated: 03.11.2026

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.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS Score: 8.8

Attack Vector	Adjacent Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

Product Status

Vendor	Zyxel
Product	NWA110AX firmware
Versions	Default: unaffected Version <= 7.12(ABTG.0)C0 is affected

References

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

Problem Types

CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') CWE