CVE-2026-55728
Loytec LINX firmware: Stack-based Buffer Overflow in cmd_ipaddr_conflict
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
Loytec LINX firmware: Stack-based Buffer Overflow in cmd_ipaddr_conflict
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.
- Record
CVE-2026-55728- CVSS 4.0
- 3.8 Low
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 - Weakness
- CWE-121
- Updated
- 2026-11-02
EUVDEUVD-2026-48593
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.
- Record
EUVD-2026-48593- CVSS 4.0
- 3.8 Low
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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-r7g9-r28w-w2pq
Stack-based Buffer Overflow (CWE-121) in `/usr/bin/ltsudo` `cmd_ipaddr_conflict` in Loytec LIP...
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.
- Record
GHSA-r7g9-r28w-w2pq- CVSS 4.0
- 3.8 Low
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 - Weakness
- CWE-121
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2026-55728- CVSS 4.0
- 3.8 Low
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 - Weakness
- CWE-121
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-55728 is a low vulnerability (CVSS 3.8) in Loytec L-dali, published July 24, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.16%, the 5th percentile. No source names a fixed version.