CVE-2025-11947
bftpd Configuration File options.c expand_groups heap-based overflow
- State
- Published
- Severity
- 2.0 Low
- Published
- Oct 19, 2025
- Updated
- Feb 24, 2026
- Reserved
- Oct 19, 2025
Description
A weakness has been identified in bftpd up to 6.2. Impacted is the function expand_groups of the file options.c of the component Configuration File Handler. Executing a manipulation can lead to heap-based buffer overflow. It is possible to launch the attack on the local host. Attacks of this nature are highly complex. The exploitability is considered difficult. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 2.0 Low | CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 4.5 Medium | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R | VulDB |
| 3.0 | 4.5 Medium | CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R | VulDB |
| 2.0 | 3.5 Low | AV:L/AC:H/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
bftpdn/a |
|
References
- VDB-329027 | bftpd Configuration File options.c expand_groups heap-based overflowvdb-entrytechnical-description
- VDB-329027 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- Submit #673133 | bftpd Project bftpd FTP Server 6.2 Heap-based Buffer Overflowthird-party-advisory
- https://shimo.im/docs/rp3OMVMZZXc9lvkm/exploit
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