CVE-2026-19979 GL.iNet XE3000 WebDAV Service MOVE authorization
Attackers can bypass authorization checks in the WebDAV service to perform unauthorized COPY and MOVE operations on GL.iNet routers.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-19979?
CVE-2026-19979 is a medium-severity missing authorization vulnerability in GL.iNet A1300, published on 17 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
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."
Which versions are affected by CVE-2026-19979?
How do I fix CVE-2026-19979?
No fix has been published for CVE-2026-19979 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-19979 being exploited?
There is no known exploitation of CVE-2026-19979 in the wild and no public exploit code.
Sources
Also known as GHSA-39pc-4mfv-4php.