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OS command injection in SonicWall SMA1000 appliance

Priority LOW 37CWE-78Published · Updated

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

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00526 44th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

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

VendorProductAffected versionsFixed inStatusSource
SonicWallSMA100012.4.3-03526 (platform-hotfix) and older versions; 12.5.0-02952 (platform-hotfix) and older versions—No fix listedCNA
  • 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

  1. 2026-10-07 Threatist record created from CVE-2026-102256
  2. 2026-10-07 CVSS score added · CISA ADP
  3. 2026-10-07 CISA SSVC decision points changed
  4. 2026-10-07 Alias added: GHSA-34mf-86x9-c654
  5. 2026-10-08 CISA SSVC decision points changed

References

  • 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
See all 283 →

Sources