Vulnerability · Published Aug 17, 2026 · Assigned by VulDB
CVE-2026-19979GL.iNet XE3000 WebDAV Service MOVE authorization
High 8.3
In plain English
A high-severity authorization bypass via user-controlled key in A1300 from GL.iNet. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 46% of all known vulnerabilities).
Official 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."
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| GL.iNet | A1300 | 4.04.14.24.34.44.54.64.7 |
| GL.iNet | AX1800 | 4.04.14.24.34.44.54.64.7 |
| GL.iNet | AXT1800 | 4.04.14.24.34.44.54.64.7 |
| GL.iNet | BE1400 | 4.04.14.24.34.44.54.64.7 |
| GL.iNet | BE3600 | 4.04.14.24.34.44.54.64.7 |
| GL.iNet | BE6500 | 4.04.14.24.34.44.54.64.7 |
| GL.iNet | BE9300 | 4.04.14.24.34.44.54.64.7 |
| GL.iNet | BE10000 | 4.04.14.24.34.44.54.64.7 |
| GL.iNet | E5800 | 4.04.14.24.34.44.54.64.7 |
| GL.iNet | MT2500 | 4.04.14.24.34.44.54.64.7 |
| GL.iNet | MT3000 | 4.04.14.24.34.44.54.64.7 |
| GL.iNet | MT3600BE | 4.04.14.24.34.44.54.64.7 |
| GL.iNet | MT5000 | 4.04.14.24.34.44.54.64.7 |
| GL.iNet | MT6000 | 4.04.14.24.34.44.54.64.7 |
| GL.iNet | X2000 | 4.04.14.24.34.44.54.64.7 |
| GL.iNet | X3000 | 4.04.14.24.34.44.54.64.7 |
| GL.iNet | XE3000 | 4.04.14.24.34.44.54.64.7 |
Weakness: CWE-639, CWE-285 · Vector: 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
References
- VDB-391161 | GL.iNet XE3000 WebDAV Service MOVE authorization vdb-entry, technical-description
- VDB-391161 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- CVE-2026-19979 | CVE Analysis and Report third-party-advisory
- Submit #873915 | GL.iNet Router 4.8.x Authorization Bypass third-party-advisory
- https://github.com/gl-inet/CVE-issues/blob/main/4.0.0/WebDAV%20Public-Share%20Destination%20Authorization%20Bypass.md related