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8.8

EdgeSwitch can be taken over from neighboring network

CVE-2026-77532 · published 2 months ago
Summary

The EdgeMAX EdgeSwitch that runs DHCPv6 can be compromised by someone who can reach a nearby network. The flaw lets the attacker run their own code on the switch, potentially controlling network traffic. Apply the latest firmware update from the vendor as soon as possible to close the gap.

What to do
  • Update ubiquiti inc edgemax edgeswitch to version 1.12.2 or later.
Affected software
VendorProductAffected versions
ubiquiti inc edgemax edgeswitch < 1.12.2
Original advisory text
A malicious actor with access to an adjacent network could exploit a Buffer Overflow vulnerability found in a DHCPv6-enabled EdgeMAX EdgeSwitch to initiate a Remote Code Execution on such device.
A malicious actor with access to an adjacent network could exploit a Buffer Overflow vulnerability found in a DHCPv6-enabled EdgeMAX EdgeSwitch to initiate a Remote Code Execution on such device.
References
Fix within
Internet-facing 14 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker full control
Severity
8.8 High
Exploitation
<1% chance of attack within 30 days
Type
CWE-122Heap-based Buffer Overflow
Timeline
Published26 Aug 2026
Updated12 Nov 2026
First seen26 Aug 2026
Sources
CVE-2026-77532 · NVD
CVE-2026-77532 · MITRE
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