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Low · 3.8 CVE-2026-55728 EUVD-2026-48593GHSA-r7g9-r28w-w2pq

Loytec LINX firmware: Stack-based Buffer Overflow in cmd_ipaddr_conflict

Published Jul 24, 2026 · Updated Jul 24, 2026 · Assigned by NCSC.ch

Description

Stack-based Buffer Overflow (CWE-121) in `/usr/bin/ltsudo` `cmd_ipaddr_conflict` in Loytec LIP-ME201C, L-INX, L-GATE, L-ROC, L-IOB, L-DALI, L-VIS and L-PAD through 8.4.16 on LINX-A64 allows a `superadmin`-group attacker to trigger a SUID-root process abort or potentially elevate privileges via an overly long interface-name argument.

Affected products

VendorProductAffectedFixed
Loytec LIP-ME20xC ≤ 8.4.16 —
Loytec L-INX ≤ 8.4.16 —
Loytec L-GATE ≤ 8.4.16 —
Loytec L-ROC ≤ 8.4.16 —
Loytec L-IOB ≤ 8.4.16 —
Loytec L-DALI ≤ 8.4.16 —
Loytec L-VIS ≤ 8.4.16 —
Loytec L-PAD ≤ 8.4.16 —

References