Vulnerability details
CVE-2026-82308
SonicWall SonicOS
CVSS 3.1
7.5High
Official description
A pre-authentication heap-based buffer overflow vulnerability has been identified in the SonicOS SSL-VPN service, which could potentially enable a remote unauthenticated attacker to cause an application level denial of service.
Related news
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 7.5High | 3.1 | CISA ADP / Vulnrichment (CISA-ADP) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| SonicWall | SonicOS | 7.3.3-7015 and older versions | CVEProject cvelistV5 (CNA) |
| SonicWall | SonicOS | 8.2.2-8015 and older versions | CVEProject cvelistV5 (CNA) |
References and advisories
1- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0014 vendor-advisory
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Details
- Published
- 2026-11-06
- Last updated
- 2026-11-06
- State
- Published
- Assigner (CNA)
- sonicwall
Exploit prediction (EPSS)
0.59%
Probability of exploitation in 30 days
48.6%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- None
- Technical impact
- Partial
Weaknesses (CWE)
- CWE-122Heap-based buffer overflow