CVE-2026-19980 GL.iNet XE3000 Language Update ui.update_langs code injection
Remote attackers can inject code via the Language Update function in GL.iNet routers, potentially compromising the device.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-19980?
CVE-2026-19980 is a medium-severity code injection vulnerability in GL.iNet A1300, published on 17 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A security flaw has been discovered 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 issue is the function ui.update_langs of the component Language Update. Performing a manipulation of the argument hour/min/week results in code injection. The attack can be initiated remotely. The vendor explains: "After our investigation, we have confirmed that the vulnerability described (...) does indeed exist."
Which versions are affected by CVE-2026-19980?
How do I fix CVE-2026-19980?
No fix has been published for CVE-2026-19980 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-19980 being exploited?
There is no known exploitation of CVE-2026-19980 in the wild and no public exploit code.
Sources
Also known as GHSA-qpr4-j52w-4p46.