Vulnerability · Published Aug 17, 2026 · Assigned by VulDB
CVE-2026-19980GL.iNet XE3000 Language Update ui.update_langs code injection
High 7.4
In plain English
A high-severity code injection in A1300 from GL.iNet. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 34% of all known vulnerabilities).
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."
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| GL.iNet | A1300 | 4.04.14.24.34.44.54.64.7 |
| GL.iNet | AX1800 | 4.04.14.24.34.44.54.64.7 |
| GL.iNet | AXT1800 | 4.04.14.24.34.44.54.64.7 |
| GL.iNet | BE1400 | 4.04.14.24.34.44.54.64.7 |
| GL.iNet | BE3600 | 4.04.14.24.34.44.54.64.7 |
| GL.iNet | BE6500 | 4.04.14.24.34.44.54.64.7 |
| GL.iNet | BE9300 | 4.04.14.24.34.44.54.64.7 |
| GL.iNet | BE10000 | 4.04.14.24.34.44.54.64.7 |
| GL.iNet | E5800 | 4.04.14.24.34.44.54.64.7 |
| GL.iNet | MT2500 | 4.04.14.24.34.44.54.64.7 |
| GL.iNet | MT3000 | 4.04.14.24.34.44.54.64.7 |
| GL.iNet | MT3600BE | 4.04.14.24.34.44.54.64.7 |
| GL.iNet | MT5000 | 4.04.14.24.34.44.54.64.7 |
| GL.iNet | MT6000 | 4.04.14.24.34.44.54.64.7 |
| GL.iNet | X2000 | 4.04.14.24.34.44.54.64.7 |
| GL.iNet | X3000 | 4.04.14.24.34.44.54.64.7 |
| GL.iNet | XE3000 | 4.04.14.24.34.44.54.64.7 |
Weakness: CWE-94, CWE-74 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L/E:X/RL:X/RC:R
References
- VDB-391162 | GL.iNet XE3000 Language Update ui.update_langs code injection vdb-entry, technical-description
- VDB-391162 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- CVE-2026-19980 | CVE Analysis and Report third-party-advisory
- Submit #873916 | GL.iNet Router 4.8.x RCE third-party-advisory
- https://github.com/gl-inet/CVE-issues/blob/main/4.0.0/Language%20Auto-Update%20Cron%20RCE.md patch