01 Record
CVE-2026-22627
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
HighPUBLISHEDCNA: fortinet
CNA base score7.7 CVSS v3.xCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
02 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
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 0.30% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 22.4% of scored records. A rank, not a probability.
- NVD base score
- 8.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-03-10 16:44Z7 MO AGO
- Last updated
- 2026-03-12 14:37Z7 MO AGO
- Reserved
- 2026-01-08
- Assigning CNA
- fortinet
- Record state
- PUBLISHED
- Severity
- High (CVSS 7.7)
- CNA CVSS vector
- CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
- Weaknesses
- CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')Base
- Data version
- 5.2
- Document digest
- 3eb8267b706c8b2ec8388ac8f57afe1fa866ba1a0137ec71097307c05d0e66c4
05 Affected products
VendorProductVersionsPlatforms
06 References
- fortiguard.fortinet.comhttps://fortiguard.fortinet.com/psirt/FG-IR-26-086
07 Remediation
Upgrade to FortiSwitchAX-Chassis version 1.0.0 or above Upgrade to FortiSwitchAXFixed version 1.0.2 or above