Vulnerability-Lookup

CVE-2026-77853 (GCVE-0-2026-77853)

Vulnerability from cvelistv5 – Published: 2026-09-15 08:49 – Updated: 2026-09-15 13:31

Summary

Improper neutralization of special elements used in an OS command ('OS Command Injection') issue exists in FF-RFI079I4 and FF-RFI078I4. A user who can log in to the product's M-Plane (NETCONF) may execute arbitrary OS commands.

Severity

8.8 (High)


                        
                          CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

8.7 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-15 13:30 UTC

CWE

CWE-78 - Improper neutralization of special elements used in an OS command ('OS Command Injection')

Assigner

jpcert jpcert root

References

2 references

URL	Tags
https://5g.liteon.com/security/flexfi/
https://jvn.jp/en/jp/JVN02049764/

Impacted products

2 products

Vendor	Product	Version	CPE status
LITE-ON Technology Corporation	FF-RFI079I4	Affected: 0 , < 02.01.15 (semver)	guessed
LITE-ON Technology Corporation	FF-RFI078I4	Affected: 0 , < 02.01.15 (semver)	guessed

Show details on NVD website

JSON

To clipboard

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                "id": "CVE-2026-77853",
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FKIE_CVE-2026-77853

Vulnerability from fkie_nvd - Published: 2026-09-15 09:16 - Updated: 2026-09-15 14:17

Severity

8.8 (High) - CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Summary

References

	URL	Tags
	vultures@jpcert.or.jp	https://5g.liteon.com/security/flexfi/
	vultures@jpcert.or.jp	https://jvn.jp/en/jp/JVN02049764/

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "FF-RFI079I4",
          "vendor": "LITE-ON Technology Corporation",
          "versions": [
            {
              "lessThan": "02.01.15",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FF-RFI078I4",
          "vendor": "LITE-ON Technology Corporation",
          "versions": [
            {
              "lessThan": "02.01.15",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "vultures@jpcert.or.jp"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Improper neutralization of special elements used in an OS command (\u0027OS Command Injection\u0027) issue exists in FF-RFI079I4 and FF-RFI078I4. A user who can log in to the product\u0027s M-Plane (NETCONF) may execute arbitrary OS commands."
    }
  ],
  "id": "CVE-2026-77853",
  "lastModified": "2026-09-15T14:17:12.400",
  "metrics": {
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.0"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.9,
        "source": "vultures@jpcert.or.jp",
        "type": "Secondary"
      }
    ],
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
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          "attackRequirements": "NONE",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 8.7,
          "baseSeverity": "HIGH",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "LOW",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
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          "vulnConfidentialityImpact": "HIGH",
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          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "vultures@jpcert.or.jp",
        "type": "Secondary"
      }
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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            },
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            }
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      "url": "https://5g.liteon.com/security/flexfi/"
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  "vulnStatus": "Received",
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}

GHSA-FMFW-G6XJ-377F

Vulnerability from github – Published: 2026-09-15 09:30 – Updated: 2026-09-15 09:30

Details

Severity

8.8 (High)


                  
                    CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

8.7 (High)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-77853"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-78"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-15T09:16:44Z",
    "severity": "HIGH"
  },
  "details": "Improper neutralization of special elements used in an OS command (\u0027OS Command Injection\u0027) issue exists in FF-RFI079I4 and FF-RFI078I4. A user who can log in to the product\u0027s M-Plane (NETCONF) may execute arbitrary OS commands.",
  "id": "GHSA-fmfw-g6xj-377f",
  "modified": "2026-09-15T09:30:32Z",
  "published": "2026-09-15T09:30:32Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-77853"
    },
    {
      "type": "WEB",
      "url": "https://5g.liteon.com/security/flexfi"
    },
    {
      "type": "WEB",
      "url": "https://jvn.jp/en/jp/JVN02049764"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

JVNDB-2026-000133

Vulnerability from jvndb - Published: 2026-09-15 06:50 - Updated:2026-09-15 06:50

Severity

8.8 (High) - cvssV3_0 - CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Summary

Multiple vulnerabilities in Lite-On O-RU "FF-RFI079I4" and "FF-RFI078I4"

Details

O-RU "FF-RFI079I4" and "FF-RFI078I4" provided by LITE-ON Technology Corporation contain multiple vulnerabilities listed below.

OS Command Injection (CWE-78) - CVE-2026-77853
Hidden Functionality (CWE-912) - CVE-2026-80217

Yuto Aono, Yutaro Osako, and Shunsuke Saruwatari of The University of Osaka reported these vulnerabilities to the developer and coordinated. After the coordination was completed, they reported the case to JPCERT/CC to notify users of the solution through JVN.

References

Type

URL

	JVN	https://jvn.jp/en/jp/JVN02049764/index.html
	CVE	https://www.cve.org/CVERecord?id=CVE-2026-77853
	CVE	https://www.cve.org/CVERecord?id=CVE-2026-80217
	OS Command Injection(CWE-78)	https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html
	No Mapping(CWE-Other)	https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html

Impacted products

Vendor

Product

	LITE-ON Technology Corporation	FF-RFI078I4
	LITE-ON Technology Corporation	FF-RFI079I4

Show details on JVN DB website

JSON

To clipboard

{
  "@rdf:about": "https://jvndb.jvn.jp/en/contents/2026/JVNDB-2026-000133.html",
  "dc:date": "2026-09-15T15:50+09:00",
  "dcterms:issued": "2026-09-15T15:50+09:00",
  "dcterms:modified": "2026-09-15T15:50+09:00",
  "description": "O-RU \"FF-RFI079I4\" and \"FF-RFI078I4\" provided by LITE-ON Technology Corporation contain multiple vulnerabilities listed below.\u003ca href=\u0027https://cwe.mitre.org/data/definitions/78.html\u0027 target=\u0027_blank\u0027\u003e\u003c/a\u003e\u003ca href=\u0027https://cwe.mitre.org/data/definitions/912.html\u0027 target=\u0027_blank\u0027\u003e\u003c/a\u003e\u003cul\u003e\u003cli\u003eOS Command Injection (CWE-78) - CVE-2026-77853\u003c/li\u003e\u003cli\u003eHidden Functionality (CWE-912) - CVE-2026-80217\u003c/li\u003e\u003c/ul\u003eYuto Aono, Yutaro Osako, and Shunsuke Saruwatari of The University of Osaka reported these vulnerabilities to the developer and coordinated. After the coordination was completed, they reported the case to JPCERT/CC to notify users of the solution through JVN.",
  "link": "https://jvndb.jvn.jp/en/contents/2026/JVNDB-2026-000133.html",
  "sec:cpe": [
    {
      "#text": "cpe:/h:misc:liteon_ff-rfi078i4",
      "@product": "FF-RFI078I4",
      "@vendor": "LITE-ON Technology Corporation",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/h:misc:liteon_ff-rfi079i4",
      "@product": "FF-RFI079I4",
      "@vendor": "LITE-ON Technology Corporation",
      "@version": "2.2"
    }
  ],
  "sec:cvss": {
    "@score": "8.8",
    "@severity": "High",
    "@type": "Base",
    "@vector": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
    "@version": "3.0"
  },
  "sec:identifier": "JVNDB-2026-000133",
  "sec:references": [
    {
      "#text": "https://jvn.jp/en/jp/JVN02049764/index.html",
      "@id": "JVN#02049764",
      "@source": "JVN"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-77853",
      "@id": "CVE-2026-77853",
      "@source": "CVE"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-80217",
      "@id": "CVE-2026-80217",
      "@source": "CVE"
    },
    {
      "#text": "https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html",
      "@id": "CWE-78",
      "@title": "OS Command Injection(CWE-78)"
    },
    {
      "#text": "https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html",
      "@id": "CWE-Other",
      "@title": "No Mapping(CWE-Other)"
    }
  ],
  "title": "Multiple vulnerabilities in Lite-On O-RU \"FF-RFI079I4\" and \"FF-RFI078I4\""
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

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Confirmed: The vulnerability has been validated from an analyst's perspective.
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Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2026-77853 (GCVE-0-2026-77853)

FKIE_CVE-2026-77853

GHSA-FMFW-G6XJ-377F

JVNDB-2026-000133

Tags

Sightings

Nomenclature

Related by attack behaviour