EUVD-2026-26482CVSS VectorNVD
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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:P/AU:Y/R:U/V:D/RE:M/U:Green
Lifecycle Timeline
7DescriptionNVD
JS8Call through 2.3.1 and JS8Call-improved before 3.0 have a stack-based buffer overflow via a radio transmission of @APRSIS GRID followed by a long Maidenhead locator. This occurs in
grid2deg in APRSISClient.cpp.
AnalysisAI
Stack-based buffer overflow in JS8Call allows remote code execution via crafted radio transmission containing an oversized Maidenhead grid locator. CVSS 10.0 reflects network-reachable attack with no authentication required. …
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RemediationAI
Within 24 hours: Identify all deployed instances of JS8Call and JS8Call-improved across the organization and document current versions. Within 7 days: Upgrade JS8Call-improved to version 3.0 or later; for JS8Call (non-improved), contact vendor for patch status or implement network isolation of affected systems. …
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External POC / Exploit Code
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