Patchfirst
CVE-2023-0656 Public exploit EPSS 41.3%

A Stack-based buffer overflow vulnerability in the SonicOS allows a remote unauthenticated attacker to cause Denial of Service (DoS), which could cause an impacted firewall to crash.

SonicWall · SonicOS

Heading is the official description · CVE.org
Breakdown
60.4 / 100
Exploited
Yes, in VulnCheck KEV
Reports
0
Tactics
0/15

First seen exploited 18 months after disclosure. Public exploit code (PoC-in-GitHub) appeared 10 months after disclosure.

  1. Disclosedday 0
  2. Public exploit codePoC-in-GitHub+10 mo
  3. First seen exploitedVulnCheck KEV evidence+18 mo

techniques

No techniques linked

No ATT&CK techniques are linked to this CVE yet. MITRE CTID has not mapped it, and no report passage in the corpus ties it to a technique.

What security researchers reported

Not named in any threat report yet

Also mentioned in 1 community threat pulse (AlienVault OTX)

Weaker evidence

Pulses are indicator collections that anyone can publish. A mention is not confirmation of exploitation.

References

1 link, grouped by NVD tag
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