CVE-2026-119053

MediumCVSS 5.3/10Last modified Oct 29, 2026

Description

lwIP 2.0.0 through 2.2.1 built with the SNMP agent contains an out-of-bounds read vulnerability in snmp_pbuf_stream_writeto() that bounds copies by pbuf->len instead of remaining bytes. Remote unauthenticated attackers knowing the read community can send fragmented SNMP requests to receive adjacent receive-buffer or pool memory echoed in responses.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Weakness enumeration

CWE-125

Affected software

Vendor	Product	Versions
lwIP	lwIP	>= 2.0.0, <= 2.2.1

References

Timeline

Published: Oct 29, 2026
Last modified: Oct 29, 2026
NVD status: Deferred

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