MEDIUM
CVE-2026-0206
CWE-121Published: April 29, 2026· Updated: May 5, 2026
4.9
CVSS v3.1
EPSS:0.14%probability of exploitation in 30 daysPercentile:34.3th
Official Description
A post-authentication Stack-based Buffer Overflow vulnerabilities in SonicOS allows a remote attacker to crash a firewall.
Technical Analysis
CVE-2026-0206 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires high privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
A successful exploit results in availability disruption (denial of service), with a CVSS base score of 4.9.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.High
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Affected Vendors & Products
sonicwall64 products
sonicosnsa 2650nsa 3600nsa 3650nsa 4600nsa 4650nsa 5600nsa 5650nsa 6600nsa 6650sm 9200sm 9250+52 more
Source: NVD CPE · 64 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (1)
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Quick Facts
CVE IDCVE-2026-0206
CVSS Score4.9 / 10
SeverityMEDIUM
WeaknessCWE-121
CISA KEVNo
EPSS (30d)0.14%
Affected1 vendor
PublishedApr 29, 2026
Related CVEs (CWE-121)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2026-0206 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.