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Fencer Intel
critical 9.8

CVE-2022-22274 in the critical feed json

A Stack-based buffer overflow vulnerability in the SonicOS via HTTP request allows a remote unauthenticated attacker to cause Denial of Ser…

published 4y ago modified 8h ago also EUVD-2022-27421

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
75.5%
EPSS 75.5% chance of exploitation in 30 days, percentile 99.5%
public exploits
0
none known

Summary

A Stack-based buffer overflow vulnerability in the SonicOS via HTTP request allows a remote unauthenticated attacker to cause Denial of Service (DoS) or potentially results in code execution in the firewall.

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Exploit prediction

75.52% chance of exploitation in the next 30 days, higher than 99.5% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • SonicWall SonicOS

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.