GL.iNet XE3000 up to 4.8.x Language Update ui.update_langs hour/min/week code injection

Summaryinfo

A vulnerability, which was classified as critical, 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. This affects the function ui.update_langs of the component Language Update. Executing a manipulation of the argument hour/min/week can lead to code injection. This vulnerability is tracked as CVE-2026-19980. The attack can be launched remotely. No exploit exists. The vendor explains: "After our investigation, we have confirmed that the vulnerability described (...) does indeed exist."

Detailsinfo

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 the function ui.update_langs of the component Language Update. The manipulation of the argument hour/min/week with an unknown input leads to a code injection vulnerability. The CWE definition for the vulnerability is CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. As an impact it is known to affect confidentiality, integrity, and availability.

The advisory is available at github.com. This vulnerability was named CVE-2026-19980. The exploitation appears to be easy. The attack can be initiated remotely. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 08/24/2026). This vulnerability is assigned to T1059 by the MITRE ATT&CK project.

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-2026-60040). If you want to get best quality of vulnerability data, you may have to visit VulDB.

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

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Submitinfo

Accepted

• Submit #873916: GL.iNet Router 4.8.x RCE (by GLiNet)

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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