OS command injection in Adtran SR400ac
Key facts
- Attack vector
- Network
- Privileges required
- Low
- 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 3.0 · CNA. Fix status from CNA. Impact type from CWE-78.
Summary
Adtran SR400ac ping Command Injection Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Adtran SR400ac routers. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the ping command, which is available over JSON-RPC. A crafted host parameter can trigger execution of a system call composed from a user-supplied string. An attacker can leverage this vulnerability to execute code in the context of root. . Was ZDI-CAN-20525.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
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 |
|---|---|---|---|---|---|
| Adtran | SR400ac | 10.8.8.1 & 10.8.5.1 | — | No fix listed | CNA |
- SR400ac VendorAdtran Affected 10.8.8.1 & 10.8.5.1 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-38120
- 2026-10-03 Alias added: GHSA-hqqq-wpr7-6m7c
- 2026-10-20 EPSS moved to the 90th–95th percentile
References
Advisory 1
Sources
- CVE-2023-38120 · CVE Program
- CVE-2023-38120 · NVD
- FIRST EPSS
- GHSA-hqqq-wpr7-6m7c · GitHub Advisory Database · CC BY 4.0
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