Threats Tagged 'cve-2026-12522'
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Threats Tagged 'cve-2026-12522'
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0 CVE-2026-12522 is a high-severity vulnerability in the Zephyr project's HL7800 cellular modem driver. It involves a stack-based buffer overflow caused by improper bounds checking when parsing the +CGCONTRDP response from the cellular network. The vulnerability allows a malicious or rogue cellular network to send an overlong address field, leading to out-of-bounds writes on the stack. This can cause a crash or potentially enable control-flow hijacking without requiring device privileges or user interaction. The issue affects Zephyr versions from 2.4.0 up to but not including 4.4.2. A fix has been implemented to properly bound field lengths before copying data. Join the discussion | CVE Database V5 | 08/19/2026, 20:37:35 UTC Added: 08/19/2026, 20:52:41 UTC |
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