CVE-2026-102256
HIGH 7.8Post-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.
Severe if exploited (CVSS 7.8), but no known exploitation and low modeled probability. Patch on a normal cadence.
Exploitation likelihood
0.5%chance of exploitation in 30 days · 44th percentile
Impact if exploited
7.8CVSS 3.1 · HIGH
- ConfidentialityHigh
- IntegrityHigh
- AvailabilityHigh
What an attacker needs
- ⚠Access: Requires local access to the host
- ⚠Privileges: Requires a low-privilege account
- ✓User interaction: No user interaction needed
- ✓Complexity: No special conditions — reliably repeatable
✓ lowers the bar for an attacker · ⚠ raises it
Proof of concept
No public PoC is currently catalogued.
Search for new PoCs
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Data snapshot:
Weakness (CWE)
- CWE-78: Improper neutralization of special elements used in an OS command ('OS command injection')
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References and research data (JSON)
Unverified PoC candidates
Catalogue matches for further research. These repositories have not been validated as working exploits.
1 candidate
- https://github.com/CompleTetech-Security/sonicwall-sma1000-cve-2026-102256-check
Offline SonicWall SMA1000 evidence checker for CVE-2026-102256. Reported build and configuration evidence. Standalone Python; JSON/CSV/HTML reports; no exploit payloads.
PoC-in-GitHub · CVE-2026-102256
PoC-in-GitHub · CVE-2026-102256 · Updated 2026-10-26T05:07:04Z
All CVSS metrics
- HIGH 7.8 v3.1 · ADP Primary
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - HIGH 7.8 v3.1 · NVD Secondary
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
Advisories
- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0017 CVE record · sonicwall · Updated 2026-10-07T13:09:04.342Z
NVD · CVE-2026-102256 · Updated 2026-10-08T04:17:06.950 - https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-94325 EUVD · EUVD-2026-94325