Format string vulnerability in the logMess function in TFTP Server SP 1.66 and earlier…
Priority MEDIUM 49CWE-134Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-134 and the CVSS impact.
Summary
Format string vulnerability in the logMess function in TFTP Server SP 1.66 and earlier allows remote attackers to perform a denial of service or execute arbitrary code via format string sequences in a TFTP error packet.
Why it matters now
EPSS 0.0436 91st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:open_tftp_server_project:open_tftp_server:*:*:*:*:sp:*:*:* | up to 1.66 | Vulnerable | Open Tftp Server Project |
- cpe:2.3:a:open_tftp_server_project:open_tftp_server:*:*:*:*:sp:*:*:* Versions up to 1.66 Vulnerable ·Open Tftp Server Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-10388
- 2026-10-03 Alias added: GHSA-vw29-f28r-7xr2
More Open Tftp Server Project Open Tftp Server vulnerabilities
- TI-2018-07354 Heap-based overflow vulnerability in TFTP Server SP 1.66 and earlier allows remote… CVSS 3.1CRITICAL 9.8
- TI-2019-09382 Stack-based overflow vulnerability in the logMess function in Open TFTP Server SP 1.66… CVSS 3.1CRITICAL 9.8
- TI-2019-09381 Stack-based overflow vulnerability in the logMess function in Open TFTP Server MT 1.65… CVSS 3.1CRITICAL 9.8
- TI-2018-07356 Format string vulnerability in the logMess function in TFTP Server MT 1.65 and earlier… CVSS 3.1CRITICAL 9.8
- TI-2020-15967 Issues were discovered in Open TFTP Server multithreaded 1.66 and Open TFTP Server single… CVSS 3.1HIGH 7.8
Sources
- CVE-2018-10388 · CVE Program
- CVE-2018-10388 · NVD
- FIRST EPSS
- GHSA-vw29-f28r-7xr2 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences