Vulnerability-Lookup

VAR-202511-1341

Vulnerability from variot - Updated: 2025-12-20 23:46

A buffer copy without checking size of input ('classic buffer overflow') in Fortinet FortiExtender 7.6.0 through 7.6.1, FortiExtender 7.4.0 through 7.4.6, FortiExtender 7.2 all versions, FortiExtender 7.0 all versions may allow an authenticated user to execute arbitrary code or commands via crafted CLI commands. fortinet's FortiExtender Firmware has a classic buffer overflow vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. The Fortinet FortiExtender is a wireless WAN (Wide Area Network) extender device manufactured by Fortinet Systems, Inc.

The Fortinet FortiExtender contains a buffer overflow vulnerability stemming from unchecked input size buffer copying

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CVE-2025-46776 (GCVE-0-2025-46776)

Vulnerability from cvelistv5 – Published: 2025-11-18 17:01 – Updated: 2025-11-18 18:34

Summary

Severity ?

6.3 (Medium)


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

CWE

CWE-120 - Escalation of privilege

Assigner

fortinet

References

URL

Tags

https://fortiguard.fortinet.com/psirt/FG-IR-25-251

Impacted products

	Vendor	Product	Version
	Fortinet	FortiExtender	Affected: 7.6.0 , ≤ 7.6.1 (semver) Affected: 7.4.0 , ≤ 7.4.6 (semver) Affected: 7.2.0 , ≤ 7.2.5 (semver) Affected: 7.0.0 , ≤ 7.0.5 (semver) cpe:2.3:a:fortinet:fortiextender:7.6.1:::::::* cpe:2.3:a:fortinet:fortiextender:7.6.0:::::::* cpe:2.3:a:fortinet:fortiextender:7.4.6:::::::* cpe:2.3:a:fortinet:fortiextender:7.4.5:::::::* cpe:2.3:a:fortinet:fortiextender:7.4.4:::::::* cpe:2.3:a:fortinet:fortiextender:7.4.3:::::::* cpe:2.3:a:fortinet:fortiextender:7.4.2:::::::* cpe:2.3:a:fortinet:fortiextender:7.4.1:::::::* cpe:2.3:a:fortinet:fortiextender:7.4.0:::::::* cpe:2.3:a:fortinet:fortiextender:7.2.5:::::::* cpe:2.3:a:fortinet:fortiextender:7.2.4:::::::* cpe:2.3:a:fortinet:fortiextender:7.2.3:::::::* cpe:2.3:a:fortinet:fortiextender:7.2.2:::::::* cpe:2.3:a:fortinet:fortiextender:7.2.1:::::::* cpe:2.3:a:fortinet:fortiextender:7.2.0:::::::* cpe:2.3:a:fortinet:fortiextender:7.0.5:::::::* cpe:2.3:a:fortinet:fortiextender:7.0.4:::::::* cpe:2.3:a:fortinet:fortiextender:7.0.3:::::::* cpe:2.3:a:fortinet:fortiextender:7.0.2:::::::* cpe:2.3:a:fortinet:fortiextender:7.0.1:::::::* cpe:2.3:a:fortinet:fortiextender:7.0.0:::::::*

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            "cpe:2.3:a:fortinet:fortiextender:7.4.4:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortiextender:7.4.3:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortiextender:7.4.2:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortiextender:7.4.1:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortiextender:7.4.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortiextender:7.2.5:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortiextender:7.2.4:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortiextender:7.2.3:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortiextender:7.2.2:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortiextender:7.2.1:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortiextender:7.2.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortiextender:7.0.5:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortiextender:7.0.4:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortiextender:7.0.3:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortiextender:7.0.2:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortiextender:7.0.1:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortiextender:7.0.0:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unaffected",
          "product": "FortiExtender",
          "vendor": "Fortinet",
          "versions": [
            {
              "lessThanOrEqual": "7.6.1",
              "status": "affected",
              "version": "7.6.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.4.6",
              "status": "affected",
              "version": "7.4.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.2.5",
              "status": "affected",
              "version": "7.2.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.0.5",
              "status": "affected",
              "version": "7.0.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A buffer copy without checking size of input (\u0027classic buffer overflow\u0027) in Fortinet FortiExtender 7.6.0 through 7.6.1, FortiExtender 7.4.0 through 7.4.6, FortiExtender 7.2 all versions, FortiExtender 7.0 all versions may allow an authenticated user to execute arbitrary code or commands via crafted CLI commands."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 6.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:F/RL:U/RC:C",
            "version": "3.1"
          },
          "format": "CVSS"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-120",
              "description": "Escalation of privilege",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-11-18T17:01:17.437Z",
        "orgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8",
        "shortName": "fortinet"
      },
      "references": [
        {
          "name": "https://fortiguard.fortinet.com/psirt/FG-IR-25-251",
          "url": "https://fortiguard.fortinet.com/psirt/FG-IR-25-251"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Upgrade to FortiExtender version 7.6.3 or above\nUpgrade to upcoming  FortiExtender version 7.4.8 or above"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8",
    "assignerShortName": "fortinet",
    "cveId": "CVE-2025-46776",
    "datePublished": "2025-11-18T17:01:17.437Z",
    "dateReserved": "2025-04-29T08:42:13.449Z",
    "dateUpdated": "2025-11-18T18:34:05.679Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

VAR-202511-1341

CVE-2025-46776 (GCVE-0-2025-46776)

Tags

Sightings

Nomenclature