CVE-2026-19981 GL.iNet XE3000 Wi-Fi Timer Power-Schedule Feature os command injection

Medium 5.3 Published Updated

Remote attackers can execute arbitrary OS commands via the Wi-Fi Timer Power-Schedule feature in GL.iNet routers.

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-2026-19981?

CVE-2026-19981 is a medium-severity command 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 weakness has been 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. This affects an unknown part of the component Wi-Fi Timer Power-Schedule Feature. Executing a manipulation of the argument switch_power/restore_power can lead to os command injection. The attack can be launched remotely. The vendor explains: "After our investigation, we have confirmed that the vulnerability described (...) does indeed exist."

Weakness: CWE-78, CWE-77

Which versions are affected by CVE-2026-19981?

How do I fix CVE-2026-19981?

No fix has been published for CVE-2026-19981 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2026-19981 being exploited?

There is no known exploitation of CVE-2026-19981 in the wild and no public exploit code.

Sources

Also known as GHSA-qhj4-89ww-fhp6.

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