Threats Tagged 'cve-2026-12522'
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Threats Tagged 'cve-2026-12522'
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CVE-2026-12522: bounds in zephyrproject zephyrCVE-2026-12522 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. An attacker controlling or impersonating the cellular network can send a crafted response with overlong address fields, leading to out-of-bounds writes on the modem worker thread's stack. This can cause a crash or potentially allow control-flow hijacking without requiring device privileges or user interaction. The vulnerability affects Zephyr versions 2.4.0 and all versions from 2.4.0 up to but not including 4.4.2. The fix involves bounding field lengths before copying to prevent overflow. 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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