CVE-2026-18746

Published 29 September 2026 · tracked since 29 September 2026

Description

parse_write_op() in subsys/net/lib/lwm2m/lwm2m_message_handling.c handles inbound CoAP WRITE/CREATE requests that carry a Block1 option. For the first block of a transfer it called init_block_ctx() and then immediately stored the peer-selected block size with block_ctx->ctx.block_size = block_size b

References

• NVD — National Vulnerability Database
• CVE.org record (MITRE)
• CISA Known Exploited Vulnerabilities catalog

Latest tracked vulnerabilities

• CVE-2026-102264 LOW 3.5
• CVE-2026-102263 MEDIUM 4.7
• CVE-2026-102414 LOW 3.7
• CVE-2026-102422 HIGH 8.1
• CVE-2026-102247 MEDIUM 6.8
• CVE-2026-96326 HIGH 7.2
• CVE-2026-101858 MEDIUM 4.7
• CVE-2026-101859 MEDIUM 5.4
• CVE-2026-101860 HIGH 8.8
• CVE-2026-101280 HIGH 7.3

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