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Threatist priority CRITICAL 0 HIGH 0 MEDIUM 1 LOW 1

Signals Exploited in the wild (KEV) 0 Patch available 2 No fix listed 0 Has CVE 2

Fix status Fixed 2 Partial 0 Will not fix 0 Deferred 0 No fix listed 0

Impact type Code execution 1 Privilege escalation 0 Security bypass 0 Information disclosure 0 Tampering 0 Denial of service 0 Spoofing 0 Cross-site scripting 0 SQL injection 0

Attack vector Network 0 Adjacent network 2 Local 0 Physical 0

Requirements No authentication 2 No user interaction 2

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Weakness (CWE) CWE-787 Out-of-bounds Write 2

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Release: zephyrproject zephyr 4.3.2, 4.4.2 × Clear all filters

TI-2026-10746 CVE-2026-12522

Stack buffer overflow in Zephyr hl7800 modem driver parsing network-supplied +CGCONTRDP address fields

Priority MEDIUM 40

The HL7800 cellular modem driver's +CGCONTRDP: response handler on_cmd_atcmdinfo_ipaddr() in drivers/modem/vendor_standalone/hl7800.c parses the PDP-context dynamic parameters (local address, subnet mask, gateway, and DN…

CVSS 3.1HIGH 8.8· Adjacent network · No auth · No interaction · EPSS 0.0034 · Published 2026-08-19 · Fixed in 4.3.2, 4.4.2 CWE-787

TI-2026-10824 CVE-2026-12633

Out-of-bounds write in IPv6 6LoWPAN Context Option handling via unauthenticated Router Advertisement

Priority LOW 35

The IPv6 neighbor-discovery code in subsys/net/ip/ipv6_nbr.c processes the 6LoWPAN Context Option (6CO, RFC 6775) carried inside ICMPv6 Router Advertisements.

CVSS 3.1HIGH 8.1· Adjacent network · No auth · No interaction · EPSS 0.00312 · Published 2026-08-19 · Fixed in 4.3.2, 4.4.2 CWE-787

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