Buffer Overflow Vulnerability in Zyxel NWA110AX Firmware
CVE-2026-76955

8.8HIGH

Key Information:

Vendor

Zyxel
Status
Nwa110ax Firmware
Vendor
CVE Published:
3 November 2026

What is CVE-2026-76955?

A buffer overflow vulnerability has been identified in the zdp_wtp binary found within the Zyxel NWA110AX firmware. This flaw permits a local attacker on the network to exploit the affected device, potentially escalating their privileges. Users of the NWA110AX device are encouraged to review the latest firmware updates to mitigate the associated risks. For further information, refer to the Zyxel security advisory.

Affected Version(s)

NWA110AX firmware <= 7.12(ABTG.0)C0

References

https://www.zyxel.com/global/en/support/security-advisori...
vendor-advisory

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.