EUVD-2026-27828
GHSA-5w53-ghhh-45v8
CVSS VectorNVD
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Lifecycle Timeline
3DescriptionNVD
Stack-based Buffer Overflow vulnerability in the WatchGuard Agent discovery service on Windows allows Overflow Buffers. An unauthenticated attacker on the same local network could exploit this vulnerability to crash the agent service.
AnalysisAI
Stack-based buffer overflow in WatchGuard Agent's discovery service allows adjacent network attackers to crash the agent service without authentication. Affects Windows installations prior to version 1.25.03.0000. …
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RemediationAI
Within 24 hours: Inventory all WatchGuard Agent installations on Windows systems and identify those running versions prior to 1.25.03.0000. Within 7 days: Deploy vendor patch to version 1.25.03.0000 or later across all affected endpoints using your standard patch management process; prioritize internet-facing and critical infrastructure systems. …
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