CVE-2026-19979: GL.iNet XE3000 WebDAV Service MOVE authorization
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 Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-19979?
The severity of CVE-2026-19979 is rated as high with a score of 8.3.
Which devices are affected by CVE-2026-19979?
CVE-2026-19979 affects multiple GL.iNet devices including A1300, AX1800, AXT1800, BE1400, BE3600, and others.
How do I fix CVE-2026-19979?
To fix CVE-2026-19979, update your GL.iNet device firmware to a version beyond 4.8.x.
What are the potential risks of CVE-2026-19979?
The risks of CVE-2026-19979 include unauthorized manipulation of files through the WebDAV Service.
Is there a workaround for CVE-2026-19979?
Currently, disabling the WebDAV Service on affected GL.iNet devices can serve as a temporary workaround for CVE-2026-19979.