Buffer Overflow Vulnerability in EdgeMAX EdgeSwitch by Ubiquiti
CVE-2026-77532

9.6CRITICAL

Key Information:

Vendor

Ubiquiti Inc

Status
Edgemax Edgeswitch
Vendor
CVE Published:
26 August 2026

What is CVE-2026-77532?

A buffer overflow vulnerability exists within the DHCPv6 functionality of Ubiquiti's EdgeMAX EdgeSwitch. An attacker with access to an adjacent network can exploit this weakness to execute arbitrary code remotely on the affected devices, potentially compromising network security and integrity.

Affected Version(s)

EdgeMAX EdgeSwitch 0 < 1.12.2

References

https://uisp.community.ui.com/releases/Security-Advisory-...

CVSS V3.1

Score:
9.6
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.