HOMEVULNERABILITIESCVE-2026-22627
HIGH

CVE-2026-22627

CWE-120Published: March 10, 2026· Updated: Mar 11, 2026

8.8
CVSS v3.1
EPSS:0.02%probability of exploitation in 30 daysPercentile:4.5th

Official Description

A buffer copy without checking size of input ('classic buffer overflow') vulnerability in Fortinet FortiSwitchAXFixed 1.0.0 through 1.0.1 may allow an unauthenticated attacker within the same adjacent network to execute unauthorized code or commands on the device via sending a crafted LLDP packet.

NVD Source

Technical Analysis

CVE-2026-22627 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorAdjacent
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

Mentioned vendors (from description):
Fortinet
CPE data not yet available in NVD for this CVE.

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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All References (1)

Quick Facts

CVE IDCVE-2026-22627
CVSS Score8.8 / 10
SeverityHIGH
WeaknessCWE-120
CISA KEVNo
EPSS (30d)0.02%
PublishedMar 10, 2026

Related CVEs (CWE-120)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2026-22627 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.