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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2026-0400

22
FAUCET Score

CVE-2026-0400 is a post-authentication Format String vulnerability in SonicOS that allows a remote attacker to crash affected SonicWall firewalls. With a CVSS score of 4.9 (Medium), this vulnerability requires high privileges for exploitation and primarily impacts availability, leading to a denial of service. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 7.3.2-7010CPE matchmatch criteria
cpe:2.3:o:sonicwall:sonicos:*:*:*:*:*:*:*:*
< 8.2.0-8009CPE matchmatch criteria
cpe:2.3:o:sonicwall:sonicos:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.9MEDIUM

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.2
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.43%
Probability of exploitation in next 30 days
EPSS Percentile
34.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0043 is in the 30th percentile among its peer group of 3,562 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

psirt.global.sonicwall.com / vuln-detail/SNWLID-2026-0001
Vendor Advisory