CVE-2026-19980

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."

CVSS v3 7.4 HIGH
CVSS v2.0 6.5 MEDIUM

7.4^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.1 / Impact : 3.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope CHANGED

6.5^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:P/I:P/A:P

Exploitability : 8.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/gl-inet/CVE-issues/blob/main/4.0.0/Language%20Auto-Update%20Cron%20RCE.md
https://vuldb.com/cve/CVE-2026-19980
https://vuldb.com/submit/873916
https://vuldb.com/vuln/391162
https://vuldb.com/vuln/391162/cti

Configurations

No configuration.

History

No history.

Information

Published : 2026-08-17 04:16

Updated : 2026-08-20 12:48

NVD link : CVE-2026-19980

Mitre link : CVE-2026-19980

CVE.ORG link : CVE-2026-19980

JSON object : View

Products Affected

No product.

CWE

CWE-74

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

CWE-94

Improper Control of Generation of Code ('Code Injection')

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{"status": "affected", "version": "4.8"}]}, {"cpes": ["cpe:2.3:a:gl.inet:axt1800:*:*:*:*:*:*:*:*"], "vendor": "GL.iNet", "modules": ["Language Update"], "product": "AXT1800", "versions": [{"status": "affected", "version": "4.0"}, {"status": "affected", "version": "4.1"}, {"status": "affected", "version": "4.2"}, {"status": "affected", "version": "4.3"}, {"status": "affected", "version": "4.4"}, {"status": "affected", "version": "4.5"}, {"status": "affected", "version": "4.6"}, {"status": "affected", "version": "4.7"}, {"status": "affected", "version": "4.8"}]}, {"cpes": ["cpe:2.3:a:gl.inet:be1400:*:*:*:*:*:*:*:*"], "vendor": "GL.iNet", "modules": ["Language Update"], "product": "BE1400", "versions": [{"status": "affected", "version": "4.0"}, {"status": "affected", "version": "4.1"}, {"status": "affected", "version": "4.2"}, {"status": "affected", "version": "4.3"}, {"status": "affected", "version": "4.4"}, {"status": "affected", "version": "4.5"}, {"status": "affected", "version": "4.6"}, {"status": "affected", "version": "4.7"}, {"status": "affected", "version": "4.8"}]}, {"cpes": ["cpe:2.3:a:gl.inet:be3600:*:*:*:*:*:*:*:*"], "vendor": "GL.iNet", "modules": ["Language Update"], "product": "BE3600", "versions": [{"status": "affected", "version": "4.0"}, {"status": "affected", "version": "4.1"}, {"status": "affected", "version": "4.2"}, {"status": "affected", "version": "4.3"}, {"status": "affected", "version": "4.4"}, {"status": "affected", "version": "4.5"}, {"status": "affected", "version": "4.6"}, {"status": "affected", "version": "4.7"}, {"status": "affected", "version": "4.8"}]}, {"cpes": ["cpe:2.3:a:gl.inet:be6500:*:*:*:*:*:*:*:*"], "vendor": "GL.iNet", "modules": ["Language Update"], "product": "BE6500", "versions": [{"status": "affected", "version": "4.0"}, {"status": "affected", "version": "4.1"}, {"status": "affected", "version": "4.2"}, {"status": "affected", "version": "4.3"}, {"status": "affected", "version": "4.4"}, {"status": "affected", "version": "4.5"}, {"status": "affected", "version": "4.6"}, {"status": "affected", "version": "4.7"}, {"status": "affected", "version": "4.8"}]}, {"cpes": ["cpe:2.3:a:gl.inet:be9300:*:*:*:*:*:*:*:*"], "vendor": "GL.iNet", "modules": ["Language Update"], "product": "BE9300", "versions": [{"status": "affected", "version": "4.0"}, {"status": "affected", "version": "4.1"}, {"status": "affected", "version": "4.2"}, {"status": "affected", "version": "4.3"}, {"status": "affected", "version": "4.4"}, {"status": "affected", "version": "4.5"}, {"status": "affected", "version": "4.6"}, {"status": "affected", "version": "4.7"}, {"status": "affected", "version": "4.8"}]}, {"cpes": ["cpe:2.3:a:gl.inet:be10000:*:*:*:*:*:*:*:*"], "vendor": "GL.iNet", "modules": ["Language Update"], "product": "BE10000", "versions": [{"status": "affected", "version": "4.0"}, {"status": "affected", "version": "4.1"}, {"status": "affected", "version": "4.2"}, {"status": "affected", "version": "4.3"}, {"status": 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"affected", "version": "4.3"}, {"status": "affected", "version": "4.4"}, {"status": "affected", "version": "4.5"}, {"status": "affected", "version": "4.6"}, {"status": "affected", "version": "4.7"}, {"status": "affected", "version": "4.8"}]}, {"cpes": ["cpe:2.3:a:gl.inet:mt3000:*:*:*:*:*:*:*:*"], "vendor": "GL.iNet", "modules": ["Language Update"], "product": "MT3000", "versions": [{"status": "affected", "version": "4.0"}, {"status": "affected", "version": "4.1"}, {"status": "affected", "version": "4.2"}, {"status": "affected", "version": "4.3"}, {"status": "affected", "version": "4.4"}, {"status": "affected", "version": "4.5"}, {"status": "affected", "version": "4.6"}, {"status": "affected", "version": "4.7"}, {"status": "affected", "version": "4.8"}]}, {"cpes": ["cpe:2.3:a:gl.inet:mt3600be:*:*:*:*:*:*:*:*"], "vendor": "GL.iNet", "modules": ["Language Update"], "product": "MT3600BE", "versions": [{"status": "affected", "version": "4.0"}, {"status": "affected", "version": "4.1"}, {"status": "affected", "version": "4.2"}, {"status": "affected", "version": "4.3"}, {"status": "affected", "version": "4.4"}, {"status": "affected", "version": "4.5"}, {"status": "affected", "version": "4.6"}, {"status": "affected", "version": "4.7"}, {"status": "affected", "version": "4.8"}]}, {"cpes": ["cpe:2.3:a:gl.inet:mt5000:*:*:*:*:*:*:*:*"], "vendor": "GL.iNet", "modules": ["Language Update"], "product": "MT5000", "versions": [{"status": "affected", "version": "4.0"}, {"status": "affected", "version": "4.1"}, {"status": "affected", "version": "4.2"}, {"status": "affected", "version": "4.3"}, {"status": "affected", "version": "4.4"}, {"status": "affected", "version": "4.5"}, {"status": "affected", "version": "4.6"}, {"status": "affected", "version": "4.7"}, {"status": "affected", "version": "4.8"}]}, {"cpes": ["cpe:2.3:a:gl.inet:mt6000:*:*:*:*:*:*:*:*"], "vendor": "GL.iNet", "modules": ["Language Update"], "product": "MT6000", "versions": [{"status": "affected", "version": 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"versions": [{"status": "affected", "version": "4.0"}, {"status": "affected", "version": "4.1"}, {"status": "affected", "version": "4.2"}, {"status": "affected", "version": "4.3"}, {"status": "affected", "version": "4.4"}, {"status": "affected", "version": "4.5"}, {"status": "affected", "version": "4.6"}, {"status": "affected", "version": "4.7"}, {"status": "affected", "version": "4.8"}]}, {"cpes": ["cpe:2.3:a:gl.inet:xe3000:*:*:*:*:*:*:*:*"], "vendor": "GL.iNet", "modules": ["Language Update"], "product": "XE3000", "versions": [{"status": "affected", "version": "4.0"}, {"status": "affected", "version": "4.1"}, {"status": "affected", "version": "4.2"}, {"status": "affected", "version": "4.3"}, {"status": "affected", "version": "4.4"}, {"status": "affected", "version": "4.5"}, {"status": "affected", "version": "4.6"}, {"status": "affected", "version": "4.7"}, {"status": "affected", "version": "4.8"}]}]}], "published": "2026-08-17T04:16:56.250", "references": [{"url": "https://github.com/gl-inet/CVE-issues/blob/main/4.0.0/Language%20Auto-Update%20Cron%20RCE.md", "source": "cna@vuldb.com"}, {"url": "https://vuldb.com/cve/CVE-2026-19980", "source": "cna@vuldb.com"}, {"url": "https://vuldb.com/submit/873916", "source": "cna@vuldb.com"}, {"url": "https://vuldb.com/vuln/391162", "source": "cna@vuldb.com"}, {"url": "https://vuldb.com/vuln/391162/cti", "source": "cna@vuldb.com"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "cna@vuldb.com", "description": [{"lang": "en", "value": "CWE-74"}, {"lang": "en", "value": "CWE-94"}]}], "descriptions": [{"lang": "en", "value": "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.\""}], "lastModified": "2026-08-20T12:48:31.843", "sourceIdentifier": "cna@vuldb.com"}