RCE in Gl.inet A1300
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 metric
CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L.
Affected products
- Gl.inet A1300 — versions 4.0, 4.1, 4.2
- Gl.inet Ax1800 — versions 4.0, 4.1, 4.2
- Gl.inet Axt1800 — versions 4.0, 4.1, 4.2
- Gl.inet Be3600 — versions 4.0, 4.1, 4.2
- Gl.inet Be6500 — versions 4.0, 4.1, 4.2
- Gl.inet Be9300 — versions 4.0, 4.1, 4.2
- Gl.inet E5800 — versions 4.0, 4.1, 4.2
- Gl.inet Mt2500 — versions 4.0, 4.1, 4.2
- Gl.inet Mt3000 — versions 4.0, 4.1, 4.2
- Gl.inet Mt3600be — versions 4.0, 4.1, 4.2
Weakness classification (CWE)
References
- cna@vuldb.com (technical-description, vdb-entry)
- cna@vuldb.com (signature, permissions-required)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (patch)
Frequently asked questions
- What is CVE-2026-19980?
- CVE-2026-19980 is a high-severity vulnerability in Gl.inet A1300, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 7.4/10. Published 2026-08-17.
- How severe is CVE-2026-19980?
- High severity. CVSS v3 base score is 7.4 out of 10.