{"id":"CVE-2026-55728","aliases":["EUVD-2026-48593","GHSA-r7g9-r28w-w2pq"],"status":"published","title":"Loytec LINX firmware: Stack-based Buffer Overflow in cmd_ipaddr_conflict","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.","severity":{"version":"4.0","score":3.8,"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","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00159,"percentile":0.05112,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-121"],"published":"2026-07-24T13:58:35Z","modified":"2026-07-27T20:32:11Z","products":[{"vendor":"loytec","product":"l-dali"},{"vendor":"loytec","product":"l-gate"},{"vendor":"loytec","product":"l-inx"},{"vendor":"loytec","product":"l-iob"},{"vendor":"loytec","product":"l-pad"},{"vendor":"loytec","product":"l-roc"},{"vendor":"loytec","product":"l-vis"},{"vendor":"loytec","product":"lip-me20xc"}],"references":[{"url":"https://www.loytec.com/support/product-security/advisories/8523-dibt-cve-20260526-0005-stack-buffer-overflow-in-cmd_ipaddr_conflict-low","tags":["vendor-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-55728"},{"url":"https://github.com/advisories/GHSA-r7g9-r28w-w2pq"}],"sources":{"cve":[{"id":"CVE-2026-55728","title":"Loytec LINX firmware: Stack-based Buffer Overflow in cmd_ipaddr_conflict","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.","status":"published","published":"2026-07-24T13:58:35.474Z","modified":"2026-07-24T14:56:40.02Z","cvss":[{"version":"4.0","score":3.8,"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","level":"low","assessor":"cna"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T14:20:12.260247Z"}],"euvd":[{"id":"EUVD-2026-48593","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.","status":"published","published":"2026-07-24T13:58:35Z","modified":"2026-07-24T14:56:40Z","cvss":[{"version":"4.0","score":3.8,"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","level":"low"}],"updated_at":"2026-11-02T18:19:40.169078Z"}],"ghsa":[{"id":"GHSA-r7g9-r28w-w2pq","title":"Stack-based Buffer Overflow (CWE-121) in `/usr/bin/ltsudo` `cmd_ipaddr_conflict` in  Loytec LIP...","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.","status":"published","published":"2026-07-24T15:33:02Z","modified":"2026-07-24T15:33:10Z","cvss":[{"version":"4.0","score":3.8,"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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"low"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T15:09:46.569394Z"}],"nvd":[{"id":"CVE-2026-55728","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.","status":"published","published":"2026-07-24T15:18:30.95Z","modified":"2026-07-27T20:32:11.62Z","cvss":[{"version":"4.0","score":3.8,"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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"low","assessor":"secondary"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T14:12:32.473901Z"}]}}