CVE-2026-19982 (GCVE-0-2026-19982)

Vulnerability from cvelistv5 – Published: 2026-08-17 04:15 – Updated: 2026-08-17 04:15
VLAI
Title
GL.iNet BE9300/MT6000 Firewall-management RPC os command injection
Summary
A security vulnerability has been detected in GL.iNet BE9300 and MT6000 4.8.x. This vulnerability affects unknown code of the component Firewall-management RPC. The manipulation of the argument dest_port/dest_ip leads to os command injection. The attack may be initiated remotely. Upgrading to version 4.9.0 is able to resolve this issue. The affected component should be upgraded. The vendor explains: "After our investigation, we have confirmed that the vulnerability described (...) does indeed exist."
Severity
5.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:X
7.4 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L/E:X/RL:O/RC:C
7.4 (High)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L/E:X/RL:O/RC:C
CWE
Assigner
References
URL Tags
https://vuldb.com/vuln/391164 vdb-entrytechnical-description
https://vuldb.com/vuln/391164/cti signaturepermissions-required
https://vuldb.com/cve/CVE-2026-19982 third-party-advisory
https://vuldb.com/submit/873918 third-party-advisory
https://github.com/gl-inet/CVE-issues/blob/main/4… related
Impacted products
Vendor Product Version CPE status
GL.iNet BE9300 Affected: 4.8.*
Unaffected: 4.9.0
    cpe:2.3:a:gl.inet:be9300:*:*:*:*:*:*:*:*
Create a notification for this product.
GL.iNet MT6000 Affected: 4.8.*
Unaffected: 4.9.0
    cpe:2.3:a:gl.inet:mt6000:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
GLiNet (VulDB User) VulDB CNA Team
Show details on NVD website
To clipboard 

{
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    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:gl.inet:be9300:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "Firewall-management RPC"
          ],
          "product": "BE9300",
          "vendor": "GL.iNet",
          "versions": [
            {
              "status": "affected",
              "version": "4.8.*"
            },
            {
              "status": "unaffected",
              "version": "4.9.0"
            }
          ]
        },
        {
          "cpes": [
            "cpe:2.3:a:gl.inet:mt6000:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "Firewall-management RPC"
          ],
          "product": "MT6000",
          "vendor": "GL.iNet",
          "versions": [
            {
              "status": "affected",
              "version": "4.8.*"
            },
            {
              "status": "unaffected",
              "version": "4.9.0"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "GLiNet (VulDB User)"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "VulDB CNA Team"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A security vulnerability has been detected in GL.iNet BE9300 and MT6000 4.8.x. This vulnerability affects unknown code of the component Firewall-management RPC. The manipulation of the argument dest_port/dest_ip leads to os command injection. The attack may be initiated remotely. Upgrading to version 4.9.0 is able to resolve this issue. The affected component should be upgraded. The vendor explains: \"After our investigation, we have confirmed that the vulnerability described (...) does indeed exist.\""
        }
      ],
      "metrics": [
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            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:X",
            "version": "4.0"
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            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L/E:X/RL:O/RC:C",
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            "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P/E:ND/RL:OF/RC:C",
            "version": "2.0"
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      ],
      "problemTypes": [
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          "descriptions": [
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              "description": "OS Command Injection",
              "lang": "en",
              "type": "CWE"
            }
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              "description": "Command Injection",
              "lang": "en",
              "type": "CWE"
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      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-17T04:15:08.101Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-391164 | GL.iNet BE9300/MT6000 Firewall-management RPC os command injection",
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/vuln/391164"
        },
        {
          "name": "VDB-391164 | CTI Indicators (IOB, IOC, TTP, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/vuln/391164/cti"
        },
        {
          "name": "CVE-2026-19982 | CVE Analysis and Report",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/cve/CVE-2026-19982"
        },
        {
          "name": "Submit #873918 | GL.iNet Router 4.8.x RCE",
          "tags": [
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          ],
          "url": "https://vuldb.com/submit/873918"
        },
        {
          "tags": [
            "related"
          ],
          "url": "https://github.com/gl-inet/CVE-issues/blob/main/4.0.0/Firewall%20Cleanup%20RCE.md"
        }
      ],
      "timeline": [
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          "lang": "en",
          "time": "2026-08-16T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2026-08-16T02:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2026-08-16T15:43:51.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "GL.iNet BE9300/MT6000 Firewall-management RPC os command injection",
      "x_generator": [
        "VulDB PVTS v202608"
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-19982",
    "datePublished": "2026-08-17T04:15:08.101Z",
    "dateReserved": "2026-08-16T13:38:28.793Z",
    "dateUpdated": "2026-08-17T04:15:08.101Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-19982",
      "date": "2026-08-17",
      "epss": "0.0105",
      "percentile": "0.61411"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-19982\",\"sourceIdentifier\":\"cna@vuldb.com\",\"published\":\"2026-08-17T05:17:09.767\",\"lastModified\":\"2026-08-17T05:17:09.767\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A security vulnerability has been detected in GL.iNet BE9300 and MT6000 4.8.x. This vulnerability affects unknown code of the component Firewall-management RPC. The manipulation of the argument dest_port/dest_ip leads to os command injection. The attack may be initiated remotely. Upgrading to version 4.9.0 is able to resolve this issue. The affected component should be upgraded. The vendor explains: \\\"After our investigation, we have confirmed that the vulnerability described (...) does indeed exist.\\\"\"}],\"affected\":[{\"source\":\"cna@vuldb.com\",\"affectedData\":[{\"vendor\":\"GL.iNet\",\"product\":\"BE9300\",\"cpes\":[\"cpe:2.3:a:gl.inet:be9300:*:*:*:*:*:*:*:*\"],\"modules\":[\"Firewall-management RPC\"],\"versions\":[{\"version\":\"4.8.*\",\"status\":\"affected\"},{\"version\":\"4.9.0\",\"status\":\"unaffected\"}]},{\"vendor\":\"GL.iNet\",\"product\":\"MT6000\",\"cpes\":[\"cpe:2.3:a:gl.inet:mt6000:*:*:*:*:*:*:*:*\"],\"modules\":[\"Firewall-management RPC\"],\"versions\":[{\"version\":\"4.8.*\",\"status\":\"affected\"},{\"version\":\"4.9.0\",\"status\":\"unaffected\"}]}]}],\"metrics\":{\"cvssMetricV40\":[{\"source\":\"cna@vuldb.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"4.0\",\"vectorString\":\"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/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\",\"baseScore\":5.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"attackRequirements\":\"NONE\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"vulnConfidentialityImpact\":\"LOW\",\"vulnIntegrityImpact\":\"LOW\",\"vulnAvailabilityImpact\":\"LOW\",\"subConfidentialityImpact\":\"LOW\",\"subIntegrityImpact\":\"LOW\",\"subAvailabilityImpact\":\"LOW\",\"exploitMaturity\":\"NOT_DEFINED\",\"confidentialityRequirement\":\"NOT_DEFINED\",\"integrityRequirement\":\"NOT_DEFINED\",\"availabilityRequirement\":\"NOT_DEFINED\",\"modifiedAttackVector\":\"NOT_DEFINED\",\"modifiedAttackComplexity\":\"NOT_DEFINED\",\"modifiedAttackRequirements\":\"NOT_DEFINED\",\"modifiedPrivilegesRequired\":\"NOT_DEFINED\",\"modifiedUserInteraction\":\"NOT_DEFINED\",\"modifiedVulnConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedVulnIntegrityImpact\":\"NOT_DEFINED\",\"modifiedVulnAvailabilityImpact\":\"NOT_DEFINED\",\"modifiedSubConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedSubIntegrityImpact\":\"NOT_DEFINED\",\"modifiedSubAvailabilityImpact\":\"NOT_DEFINED\",\"Safety\":\"NOT_DEFINED\",\"Automatable\":\"NOT_DEFINED\",\"Recovery\":\"NOT_DEFINED\",\"valueDensity\":\"NOT_DEFINED\",\"vulnerabilityResponseEffort\":\"NOT_DEFINED\",\"providerUrgency\":\"NOT_DEFINED\"}}],\"cvssMetricV31\":[{\"source\":\"cna@vuldb.com\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L\",\"baseScore\":7.4,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"LOW\"},\"exploitabilityScore\":3.1,\"impactScore\":3.7}],\"cvssMetricV2\":[{\"source\":\"cna@vuldb.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:S/C:P/I:P/A:P\",\"baseScore\":6.5,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"SINGLE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.0,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"cna@vuldb.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-77\"},{\"lang\":\"en\",\"value\":\"CWE-78\"}]}],\"references\":[{\"url\":\"https://github.com/gl-inet/CVE-issues/blob/main/4.0.0/Firewall%20Cleanup%20RCE.md\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://vuldb.com/cve/CVE-2026-19982\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://vuldb.com/submit/873918\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://vuldb.com/vuln/391164\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://vuldb.com/vuln/391164/cti\",\"source\":\"cna@vuldb.com\"}]}}"
  }
}



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Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

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.