OS command injection in Dropbear SSH
Priority LOW 22CWE-78Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-78.
Summary
dbclient in Dropbear SSH before 2025.88 allows command injection via an untrusted hostname argument, because a shell is used.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00589 48th percentileScored 2026-11-07
Fix Fixed Dropbear SSH (Dropbear SSH Project): 2025.88
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Dropbear SSH Project | Dropbear SSH | before 2025.88 | 2025.88 | Patch available | CNA |
- Dropbear SSH VendorDropbear SSH Project Affected before 2025.88 Fixed in 2025.88 Patch available CNA
Remediation
- Fix · CNA Dropbear SSH (Dropbear SSH Project) Fixed in 2025.88
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2025-47203
- 2026-10-03 Alias added: GHSA-f2w6-r722-5fr8
References
More Dropbear SSH Project vulnerabilities
- TI-2023-26623 The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6… CVSS 3.1MEDIUM 5.9
- TI-2016-06307 Format string vulnerability in Dropbear SSH before 2016.74 allows remote attackers to… CVSS 3.0CRITICAL 9.8
- TI-2016-06308 The dropbearconvert command in Dropbear SSH before 2016.74 allows attackers to execute… CVSS 3.0CRITICAL 9.8
- TI-2016-02614 CRLF injection vulnerability in Dropbear SSH before 2016.72 allows remote authenticated… CVSS 3.0MEDIUM 6.4
- TI-2017-06540 The server in Dropbear before 2017.75 might allow post-authentication root remote code… CVSS 3.1HIGH 8.8
- TI-2016-06309 The dbclient in Dropbear SSH before 2016.74 allows remote attackers to execute arbitrary… CVSS 3.0HIGH 8.8
Sources
- CVE-2025-47203 · CVE Program
- CVE-2025-47203 · NVD
- FIRST EPSS
- GHSA-f2w6-r722-5fr8 · GitHub Advisory Database · CC BY 4.0
- CVE-2025-47203 · Red Hat security data · CC BY 4.0
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