CVE-2026-19979

A vulnerability was identified in GL.iNet A1300, AX1800, AXT1800, BE1400, BE3600, BE6500, BE9300, BE10000, E5800, MT2500, MT3000, MT3600BE, MT5000, MT6000, X2000, X3000 and XE3000 up to 4.8.x. Affected by this vulnerability is the function COPY/MOVE of the component WebDAV Service. Such manipulation leads to authorization bypass. It is possible to launch the attack remotely. The vendor explains: "After our investigation, we have confirmed that the vulnerability described (...) does indeed exist."

CVSS v3 8.3 HIGH
CVSS v2.0 7.5 HIGH

8.3^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope CHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/gl-inet/CVE-issues/blob/main/4.0.0/WebDAV%20Public-Share%20Destination%20Authorization%20Bypass.md
https://vuldb.com/cve/CVE-2026-19979
https://vuldb.com/submit/873915
https://vuldb.com/vuln/391161
https://vuldb.com/vuln/391161/cti

Configurations

No configuration.

History

No history.

Information

Published : 2026-08-17 04:16

Updated : 2026-08-20 12:48

NVD link : CVE-2026-19979

Mitre link : CVE-2026-19979

CVE.ORG link : CVE-2026-19979

JSON object : View

Products Affected

No product.

CWE

CWE-285

Improper Authorization

CWE-639

Authorization Bypass Through User-Controlled Key

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{"status": "affected", "version": "4.8"}]}, {"cpes": ["cpe:2.3:a:gl.inet:axt1800:*:*:*:*:*:*:*:*"], "vendor": "GL.iNet", "modules": ["WebDAV Service"], "product": "AXT1800", "versions": [{"status": "affected", "version": "4.0"}, {"status": "affected", "version": "4.1"}, {"status": "affected", "version": "4.2"}, {"status": "affected", "version": "4.3"}, {"status": "affected", "version": "4.4"}, {"status": "affected", "version": "4.5"}, {"status": "affected", "version": "4.6"}, {"status": "affected", "version": "4.7"}, {"status": "affected", "version": "4.8"}]}, {"cpes": ["cpe:2.3:a:gl.inet:be1400:*:*:*:*:*:*:*:*"], "vendor": "GL.iNet", "modules": ["WebDAV Service"], "product": "BE1400", "versions": [{"status": "affected", "version": "4.0"}, {"status": "affected", "version": "4.1"}, {"status": "affected", "version": "4.2"}, {"status": "affected", "version": "4.3"}, {"status": "affected", "version": "4.4"}, {"status": "affected", "version": "4.5"}, {"status": "affected", "version": "4.6"}, {"status": "affected", "version": "4.7"}, {"status": "affected", "version": "4.8"}]}, {"cpes": ["cpe:2.3:a:gl.inet:be3600:*:*:*:*:*:*:*:*"], "vendor": "GL.iNet", "modules": ["WebDAV Service"], "product": "BE3600", "versions": [{"status": "affected", "version": "4.0"}, {"status": "affected", "version": "4.1"}, {"status": "affected", "version": "4.2"}, {"status": "affected", "version": "4.3"}, {"status": "affected", "version": "4.4"}, {"status": "affected", "version": "4.5"}, {"status": "affected", "version": "4.6"}, {"status": "affected", "version": "4.7"}, {"status": "affected", "version": "4.8"}]}, {"cpes": ["cpe:2.3:a:gl.inet:be6500:*:*:*:*:*:*:*:*"], "vendor": "GL.iNet", "modules": ["WebDAV Service"], "product": "BE6500", "versions": [{"status": "affected", "version": "4.0"}, {"status": "affected", "version": "4.1"}, {"status": "affected", "version": "4.2"}, {"status": "affected", "version": "4.3"}, {"status": "affected", "version": "4.4"}, {"status": "affected", "version": "4.5"}, {"status": "affected", "version": "4.6"}, {"status": "affected", "version": "4.7"}, {"status": "affected", "version": "4.8"}]}, {"cpes": ["cpe:2.3:a:gl.inet:be9300:*:*:*:*:*:*:*:*"], "vendor": "GL.iNet", "modules": ["WebDAV Service"], "product": "BE9300", "versions": [{"status": "affected", "version": "4.0"}, {"status": "affected", "version": "4.1"}, {"status": "affected", "version": "4.2"}, {"status": "affected", "version": "4.3"}, {"status": "affected", "version": "4.4"}, {"status": "affected", "version": "4.5"}, {"status": "affected", "version": "4.6"}, {"status": "affected", "version": "4.7"}, {"status": "affected", "version": "4.8"}]}, {"cpes": ["cpe:2.3:a:gl.inet:be10000:*:*:*:*:*:*:*:*"], "vendor": "GL.iNet", "modules": ["WebDAV Service"], "product": "BE10000", "versions": [{"status": "affected", "version": "4.0"}, {"status": "affected", "version": "4.1"}, {"status": "affected", "version": "4.2"}, {"status": "affected", "version": "4.3"}, {"status": "affected", "version": "4.4"}, {"status": "affected", "version": "4.5"}, {"status": "affected", "version": "4.6"}, {"status": "affected", "version": "4.7"}, {"status": "affected", "version": "4.8"}]}, {"cpes": ["cpe:2.3:a:gl.inet:e5800:*:*:*:*:*:*:*:*"], "vendor": "GL.iNet", "modules": ["WebDAV Service"], "product": "E5800", "versions": [{"status": "affected", "version": "4.0"}, {"status": "affected", "version": "4.1"}, {"status": "affected", "version": "4.2"}, {"status": "affected", "version": "4.3"}, {"status": "affected", "version": "4.4"}, {"status": "affected", "version": "4.5"}, {"status": "affected", "version": "4.6"}, {"status": "affected", "version": "4.7"}, {"status": "affected", "version": "4.8"}]}, {"cpes": ["cpe:2.3:a:gl.inet:mt2500:*:*:*:*:*:*:*:*"], "vendor": "GL.iNet", "modules": ["WebDAV Service"], "product": "MT2500", "versions": [{"status": "affected", "version": "4.0"}, {"status": "affected", "version": "4.1"}, {"status": "affected", "version": "4.2"}, {"status": "affected", "version": "4.3"}, {"status": "affected", "version": "4.4"}, {"status": "affected", "version": "4.5"}, {"status": "affected", "version": "4.6"}, {"status": "affected", "version": "4.7"}, {"status": "affected", "version": "4.8"}]}, {"cpes": ["cpe:2.3:a:gl.inet:mt3000:*:*:*:*:*:*:*:*"], "vendor": "GL.iNet", "modules": ["WebDAV Service"], "product": "MT3000", "versions": [{"status": "affected", "version": "4.0"}, {"status": "affected", "version": "4.1"}, {"status": "affected", "version": "4.2"}, {"status": "affected", "version": "4.3"}, {"status": "affected", "version": "4.4"}, {"status": "affected", "version": "4.5"}, {"status": "affected", "version": "4.6"}, {"status": "affected", "version": "4.7"}, {"status": "affected", "version": "4.8"}]}, {"cpes": ["cpe:2.3:a:gl.inet:mt3600be:*:*:*:*:*:*:*:*"], "vendor": "GL.iNet", "modules": ["WebDAV Service"], "product": "MT3600BE", "versions": [{"status": "affected", "version": "4.0"}, {"status": "affected", "version": "4.1"}, {"status": "affected", "version": "4.2"}, {"status": "affected", "version": "4.3"}, {"status": "affected", "version": "4.4"}, {"status": "affected", "version": "4.5"}, {"status": "affected", "version": "4.6"}, {"status": "affected", "version": "4.7"}, {"status": "affected", "version": "4.8"}]}, {"cpes": ["cpe:2.3:a:gl.inet:mt5000:*:*:*:*:*:*:*:*"], "vendor": "GL.iNet", "modules": ["WebDAV Service"], "product": "MT5000", "versions": [{"status": "affected", "version": "4.0"}, {"status": "affected", "version": "4.1"}, {"status": "affected", "version": "4.2"}, {"status": "affected", "version": "4.3"}, {"status": "affected", "version": "4.4"}, {"status": "affected", "version": "4.5"}, {"status": "affected", "version": "4.6"}, {"status": "affected", "version": "4.7"}, {"status": "affected", "version": "4.8"}]}, {"cpes": ["cpe:2.3:a:gl.inet:mt6000:*:*:*:*:*:*:*:*"], "vendor": "GL.iNet", "modules": ["WebDAV Service"], "product": "MT6000", "versions": [{"status": "affected", "version": "4.0"}, {"status": "affected", "version": "4.1"}, {"status": "affected", "version": "4.2"}, {"status": "affected", "version": "4.3"}, {"status": "affected", "version": "4.4"}, {"status": "affected", "version": "4.5"}, {"status": "affected", "version": "4.6"}, {"status": "affected", "version": "4.7"}, {"status": "affected", "version": "4.8"}]}, {"cpes": ["cpe:2.3:a:gl.inet:x2000:*:*:*:*:*:*:*:*"], "vendor": "GL.iNet", "modules": ["WebDAV Service"], "product": "X2000", "versions": [{"status": "affected", "version": "4.0"}, {"status": "affected", "version": "4.1"}, {"status": "affected", "version": "4.2"}, {"status": "affected", "version": "4.3"}, {"status": "affected", "version": "4.4"}, {"status": "affected", "version": "4.5"}, {"status": "affected", "version": "4.6"}, {"status": "affected", "version": "4.7"}, {"status": "affected", "version": "4.8"}]}, {"cpes": ["cpe:2.3:a:gl.inet:x3000:*:*:*:*:*:*:*:*"], "vendor": "GL.iNet", "modules": ["WebDAV Service"], "product": "X3000", "versions": [{"status": "affected", "version": "4.0"}, {"status": "affected", "version": "4.1"}, {"status": "affected", "version": "4.2"}, {"status": "affected", "version": "4.3"}, {"status": "affected", "version": "4.4"}, {"status": "affected", "version": "4.5"}, {"status": "affected", "version": "4.6"}, {"status": "affected", "version": "4.7"}, {"status": "affected", "version": "4.8"}]}, {"cpes": ["cpe:2.3:a:gl.inet:xe3000:*:*:*:*:*:*:*:*"], "vendor": "GL.iNet", "modules": ["WebDAV Service"], "product": "XE3000", "versions": [{"status": "affected", "version": "4.0"}, {"status": "affected", "version": "4.1"}, {"status": "affected", "version": "4.2"}, {"status": "affected", "version": "4.3"}, {"status": "affected", "version": "4.4"}, {"status": "affected", "version": "4.5"}, {"status": "affected", "version": "4.6"}, {"status": "affected", "version": "4.7"}, {"status": "affected", "version": "4.8"}]}]}], "published": "2026-08-17T04:16:55.693", "references": [{"url": "https://github.com/gl-inet/CVE-issues/blob/main/4.0.0/WebDAV%20Public-Share%20Destination%20Authorization%20Bypass.md", "source": "cna@vuldb.com"}, {"url": "https://vuldb.com/cve/CVE-2026-19979", "source": "cna@vuldb.com"}, {"url": "https://vuldb.com/submit/873915", "source": "cna@vuldb.com"}, {"url": "https://vuldb.com/vuln/391161", "source": "cna@vuldb.com"}, {"url": "https://vuldb.com/vuln/391161/cti", "source": "cna@vuldb.com"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "cna@vuldb.com", "description": [{"lang": "en", "value": "CWE-285"}, {"lang": "en", "value": "CWE-639"}]}], "descriptions": [{"lang": "en", "value": "A vulnerability was identified in GL.iNet A1300, AX1800, AXT1800, BE1400, BE3600, BE6500, BE9300, BE10000, E5800, MT2500, MT3000, MT3600BE, MT5000, MT6000, X2000, X3000 and XE3000 up to 4.8.x. Affected by this vulnerability is the function COPY/MOVE of the component WebDAV Service. Such manipulation leads to authorization bypass. It is possible to launch the attack remotely. The vendor explains: \"After our investigation, we have confirmed that the vulnerability described (...) does indeed exist.\""}], "lastModified": "2026-08-20T12:48:10.287", "sourceIdentifier": "cna@vuldb.com"}