CVE-2026-55728CWE-121

Loytec LINX firmware: Stack-based Buffer Overflow in cmd_ipaddr_conflict

Low · published July 24, 2026

CVSS v4.0
3.8
EPSS
0%
Percentile
4.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
3.8 · LOW
Vector
CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:U
EPSS
0.00159 · 4.7th percentile
Weakness
CWE-121 · Stack-based Buffer Overflow
Published
2026-07-24T13:58Z
EPSS history
Timeline
  • 24 JUL 13:58Z
    Loytec LINX firmware: Stack-based Buffer Overflow in cmd_ipaddr_conflict
    cvelistv5