GL.iNet XE3000 up to 4.8.x Wi-Fi Timer Power-Schedule Feature switch_power/restore_power os command injection

Summaryinfo

A vulnerability has been found 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 and classified as critical. This vulnerability affects unknown code of the component Wi-Fi Timer Power-Schedule Feature. The manipulation of the argument switch_power/restore_power leads to os command injection. This vulnerability is listed as CVE-2026-19981. The attack may be initiated remotely. There is no available exploit. The vendor explains: "After our investigation, we have confirmed that the vulnerability described (...) does indeed exist."

Detailsinfo

A vulnerability was found 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 and classified as critical. This issue affects an unknown part of the component Wi-Fi Timer Power-Schedule Feature. The manipulation of the argument switch_power/restore_power with an unknown input leads to a os command injection vulnerability. Using CWE to declare the problem leads to CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-19981. The exploitation is known to be easy. The attack may be initiated remotely. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/24/2026). The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

The vendor explains: "After our investigation, we have confirmed that the vulnerability described (...) does indeed exist."

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-60041). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

• GL.iNet

Name

• A1300
• AX1800
• AXT1800
• BE1400
• BE3600
• BE6500
• BE9300
• BE10000
• E5800
• MT2500
• MT3000
• MT3600BE
• MT5000
• MT6000
• X2000
• X3000
• XE3000

Version

• 4.0
• 4.1
• 4.2
• 4.3
• 4.4
• 4.5
• 4.6
• 4.7
• 4.8

CPE 2.3info

• 🔒
• 🔒
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CPE 2.2info

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CVSSv4info

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Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Submitinfo

Accepted

• Submit #873917: GL.iNet Router 4.8.x RCE (by GLiNet)

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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