CVE-2026-13592
liftoff-sr CIPster EtherNet IP Message append out-of-bounds write
- State
- Published
- Severity
- 6.9 Medium
- Published
- Jun 29, 2026
- Updated
- Jul 1, 2026
- Reserved
- Jun 29, 2026
Description
A vulnerability was detected in liftoff-sr CIPster up to e8e9dba09bf56962807d3504b783ccdb6287f3e4. Affected by this issue is the function BufWriter::append of the component EtherNet IP Message Handler. Performing a manipulation results in out-of-bounds write. Remote exploitation of the attack is possible. The exploit is now public and may be used. This product follows a rolling release approach for continuous delivery, so version details for affected or updated releases are not provided. The patch is named 3a0159ed43125dcd024a1965f0289cb186bae9ff. To fix this issue, it is recommended to deploy a patch.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 7.3 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C | VulDB |
| 3.0 | 7.3 High | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C | VulDB |
| 2.0 | 7.5 High | AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
CIPsterliftoff-sr |
|
References
- VDB-374596 | liftoff-sr CIPster EtherNet IP Message append out-of-bounds writevdb-entrytechnical-description
- VDB-374596 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- CVE-2026-13592 | CVE Analysis and Reportthird-party-advisory
- Submit #844566 | liftoff-sr CIPster master (reproduced on 1802525be27d33e19a9a83c163e331a1d13b1892) Out-of-bounds Read/Writethird-party-advisory
- https://github.com/liftoff-sr/CIPster/issues/48issue-tracking
- https://github.com/liftoff-sr/CIPster/issues/48#issuecomment-4596727632issue-tracking
- https://github.com/user-attachments/files/28452971/poc.zipexploit
- https://github.com/liftoff-sr/CIPster/commit/3a0159ed43125dcd024a1965f0289cb186bae9ffpatch
- https://github.com/liftoff-sr/CIPster/product
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