OS command injection in SonicWall SMA1000 appliance
Key facts
- Attack vector
- Local
- 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 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-78.
Summary
SonicWall SMA1000 appliances at 12.4.3-03526 (platform-hotfix) and older versions, and 12.5.0-02952 (platform-hotfix) and older versions, are affected. Improper neutralization of special elements in an OS command (CWE-78) lets software pass attacker-influenced input to the operating system shell. Under specific conditions, a remote authenticated attacker with administrator rights can execute arbitrary OS commands, resulting in remote code execution.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Description from the CNA
Post-authentication Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability has been identified in the SMA1000 appliance which in specific conditions could potentially enable a remote authenticated attacker as administrator to execute arbitrary OS commands, resulting in remote code execution.
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 |
|---|---|---|---|---|---|
| SonicWall | SMA1000 | 12.4.3-03526 (platform-hotfix) and older versions; 12.5.0-02952 (platform-hotfix) and older versions | — | No fix listed | CNA |
- SMA1000 VendorSonicWall Affected 12.4.3-03526 (platform-hotfix) and older versions; 12.5.0-02952 (platform-hotfix) and older versions Fixed in — No fix listed CNA
Remediation
The sources list no fixed version for SonicWall SMA1000.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
SonicWall SMA1000 — psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0017
4 records Highest priority Priority MEDIUM 1 MEDIUM, 3 LOW
Other records, highest priority first
- TI-2026-69134 Pre-authentication SSRF in SonicWall SMA1000 Work Place interfacePriority MEDIUM 51
- TI-2026-69136 Zip Slip in SonicWall SMA1000 Appliance Management ConsolePriority LOW 35
- TI-2026-69137 Stored cross-site scripting in SonicWall SMA1000 management consolePriority LOW 28
Timeline
- 2026-10-07 Threatist record created from CVE-2026-102256
- 2026-10-07 CVSS score added · CISA ADP
- 2026-10-07 CISA SSVC decision points changed
- 2026-10-07 Alias added: GHSA-34mf-86x9-c654
- 2026-10-08 CISA SSVC decision points changed
References
More SonicWall vulnerabilities
- TI-2026-57684 Server-side request forgery in SonicWall SMA1000 KEVCVSS 3.1CRITICAL 10.0
- TI-2026-12965 Server-side request forgery in SonicWall SMA1000 KEVCVSS 3.1CRITICAL 10.0
- TI-2025-16819 Deserialization of untrusted data in SonicWall SMA1000 KEVCVSS 3.1CRITICAL 9.8
- TI-2021-19919 Apache Log4j2 JNDI features do not protect against attacker controlled LDAP and other JNDI related endpoints KEVCVSS 3.1CRITICAL 10.0
- TI-2021-03356 Stack-based buffer overflow in SonicWall SMA100 KEVCVSS 3.1CRITICAL 9.8
- TI-2021-03349 SQL injection in SonicWall SRA/SMA100 KEVCVSS 3.1CRITICAL 9.8
Sources
- CVE-2026-102256 · CVE Program
- CVE-2026-102256 · NVD
- FIRST EPSS
- GHSA-34mf-86x9-c654 · 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