The TFTP server in ExtraPuTTY 0.30 and earlier allows remote attackers to cause a denial…
Priority MEDIUM 42CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA.
Summary
The TFTP server in ExtraPuTTY 0.30 and earlier allows remote attackers to cause a denial of service (crash) via a large (1) read or (2) write TFTP protocol message.
Why it matters now
EPSS 0.05949 93rd percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD and the CNA
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:extraputty:extraputty:*:rc2:*:*:*:*:*:* | up to 0.29 | Vulnerable | Extraputty |
- cpe:2.3:a:extraputty:extraputty:*:rc2:*:*:*:*:*:* Versions up to 0.29 Vulnerable ·Extraputty
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2017-7183
- 2026-10-03 Alias added: GHSA-qg2q-g744-m7q9
References
Sources
- CVE-2017-7183 · CVE Program
- CVE-2017-7183 · NVD
- FIRST EPSS
- GHSA-qg2q-g744-m7q9 · 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