CVE-2026-19979

GL.iNet XE3000 WebDAV Service MOVE authorization

State: Published
Severity: 6.9 Medium
Published: Aug 17, 2026
Updated: Aug 18, 2026
Reserved: Aug 16, 2026

Description

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."

Scores

CVSS	Score	Vector	Source
4.0	6.9 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:X	VulDB
3.1	8.3 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L/E:X/RL:X/RC:R	VulDB
3.0	8.3 High	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L/E:X/RL:X/RC:R	VulDB
2.0	7.5 High	AV:N/AC:L/Au:N/C:P/I:P/A:P/E:ND/RL:ND/RC:UR	VulDB

Weaknesses

CWE-639 Authorization Bypass
CWE-285 Improper Authorization

Affected Products

Product	Versions
A1300GL.iNet	4.0Affected 4.1Affected 4.2Affected 4.3Affected 4.4Affected 4.5Affected 4.6Affected 4.7Affected 4.8Affected
AX1800GL.iNet	4.0Affected 4.1Affected 4.2Affected 4.3Affected 4.4Affected 4.5Affected 4.6Affected 4.7Affected 4.8Affected
AXT1800GL.iNet	4.0Affected 4.1Affected 4.2Affected 4.3Affected 4.4Affected 4.5Affected 4.6Affected 4.7Affected 4.8Affected
BE1400GL.iNet	4.0Affected 4.1Affected 4.2Affected 4.3Affected 4.4Affected 4.5Affected 4.6Affected 4.7Affected 4.8Affected
BE3600GL.iNet	4.0Affected 4.1Affected 4.2Affected 4.3Affected 4.4Affected 4.5Affected 4.6Affected 4.7Affected 4.8Affected
BE6500GL.iNet	4.0Affected 4.1Affected 4.2Affected 4.3Affected 4.4Affected 4.5Affected 4.6Affected 4.7Affected 4.8Affected
BE9300GL.iNet	4.0Affected 4.1Affected 4.2Affected 4.3Affected 4.4Affected 4.5Affected 4.6Affected 4.7Affected 4.8Affected
BE10000GL.iNet	4.0Affected 4.1Affected 4.2Affected 4.3Affected 4.4Affected 4.5Affected 4.6Affected 4.7Affected 4.8Affected
E5800GL.iNet	4.0Affected 4.1Affected 4.2Affected 4.3Affected 4.4Affected 4.5Affected 4.6Affected 4.7Affected 4.8Affected
MT2500GL.iNet	4.0Affected 4.1Affected 4.2Affected 4.3Affected 4.4Affected 4.5Affected 4.6Affected 4.7Affected 4.8Affected
MT3000GL.iNet	4.0Affected 4.1Affected 4.2Affected 4.3Affected 4.4Affected 4.5Affected 4.6Affected 4.7Affected 4.8Affected
MT3600BEGL.iNet	4.0Affected 4.1Affected 4.2Affected 4.3Affected 4.4Affected 4.5Affected 4.6Affected 4.7Affected 4.8Affected
MT5000GL.iNet	4.0Affected 4.1Affected 4.2Affected 4.3Affected 4.4Affected 4.5Affected 4.6Affected 4.7Affected 4.8Affected
MT6000GL.iNet	4.0Affected 4.1Affected 4.2Affected 4.3Affected 4.4Affected 4.5Affected 4.6Affected 4.7Affected 4.8Affected
X2000GL.iNet	4.0Affected 4.1Affected 4.2Affected 4.3Affected 4.4Affected 4.5Affected 4.6Affected 4.7Affected 4.8Affected
X3000GL.iNet	4.0Affected 4.1Affected 4.2Affected 4.3Affected 4.4Affected 4.5Affected 4.6Affected 4.7Affected 4.8Affected
XE3000GL.iNet	4.0Affected 4.1Affected 4.2Affected 4.3Affected 4.4Affected 4.5Affected 4.6Affected 4.7Affected 4.8Affected

References

VDB-391161 | GL.iNet XE3000 WebDAV Service MOVE authorizationvdb-entrytechnical-description
VDB-391161 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
CVE-2026-19979 | CVE Analysis and Reportthird-party-advisory
Submit #873915 | GL.iNet Router 4.8.x Authorization Bypassthird-party-advisory
https://github.com/gl-inet/CVE-issues/blob/main/4.0.0/WebDAV%20Public-Share%20Destination%20Authorization%20Bypass.mdrelated

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