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CVE-2026-19979— GL.iNet XE3000 WebDAV Service MOVE authorization

Quick assessment

Affected
GL.iNet A1300
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 GL.iNet A1300、AX1800、AXT1800、BE1400、BE3600、BE6500、BE9300、BE10000、E5800、MT2500、MT3000、MT3600BE、MT5000、MT6000、X2000、X3000 和 XE3000 等设备（固件版本最高至 4.8.x）中发现了一个漏洞。该漏洞影响 WebDAV 服务组件的 COPY/MOVE（复制/移动）功能。此类操作可导致授权绕过。攻击者可远程发起攻击。供应商说明称：“经调查，我们确认上述描述的漏洞确实存在。”

CVSS 8.3 · High EPSS 0.39% · P33

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts

Affected Version Matrix 153

VendorProduct Version RangeStatus
GL.iNet A1300 4.0 affected
4.1 affected
4.2 affected
4.3 affected
4.4 affected
4.5 affected
4.6 affected
4.7 affected
… +1 more rows
GL.iNet AX1800 4.0 affected
4.1 affected
4.2 affected
4.3 affected
4.4 affected
4.5 affected
4.6 affected
4.7 affected
… +1 more rows
GL.iNet AXT1800 4.0 affected
4.1 affected
4.2 affected
4.3 affected
4.4 affected
4.5 affected
4.6 affected
4.7 affected
… +1 more rows
GL.iNet BE10000 4.0 affected
4.1 affected
4.2 affected
4.3 affected
4.4 affected
4.5 affected
4.6 affected
4.7 affected
… +1 more rows
GL.iNet BE1400 4.0 affected
4.1 affected
4.2 affected
4.3 affected
4.4 affected
4.5 affected
4.6 affected
4.7 affected
… +1 more rows
GL.iNet BE3600 4.0 affected
4.1 affected
4.2 affected
4.3 affected
4.4 affected
4.5 affected
4.6 affected
4.7 affected
… +1 more rows
GL.iNet BE6500 4.0 affected
4.1 affected
4.2 affected
4.3 affected
4.4 affected
4.5 affected
4.6 affected
4.7 affected
… +1 more rows
GL.iNet BE9300 4.0 affected
4.1 affected
4.2 affected
4.3 affected
4.4 affected
4.5 affected
4.6 affected
4.7 affected
… +1 more rows
GL.iNet E5800 4.0 affected
4.1 affected
4.2 affected
4.3 affected
4.4 affected
4.5 affected
4.6 affected
4.7 affected
… +1 more rows
GL.iNet MT2500 4.0 affected
4.1 affected
4.2 affected
4.3 affected
4.4 affected
4.5 affected
4.6 affected
4.7 affected
… +1 more rows
GL.iNet MT3000 4.0 affected
4.1 affected
4.2 affected
4.3 affected
4.4 affected
4.5 affected
4.6 affected
4.7 affected
… +1 more rows
GL.iNet MT3600BE 4.0 affected
4.1 affected
4.2 affected
4.3 affected
4.4 affected
4.5 affected
4.6 affected
4.7 affected
… +1 more rows
GL.iNet MT5000 4.0 affected
4.1 affected
4.2 affected
4.3 affected
4.4 affected
4.5 affected
4.6 affected
4.7 affected
… +1 more rows
GL.iNet MT6000 4.0 affected
4.1 affected
4.2 affected
4.3 affected
4.4 affected
4.5 affected
4.6 affected
4.7 affected
… +1 more rows
GL.iNet X2000 4.0 affected
4.1 affected
4.2 affected
4.3 affected
4.4 affected
4.5 affected
4.6 affected
4.7 affected
… +1 more rows
GL.iNet X3000 4.0 affected
4.1 affected
4.2 affected
4.3 affected
4.4 affected
4.5 affected
4.6 affected
4.7 affected
… +1 more rows
GL.iNet XE3000 4.0 affected
4.1 affected
4.2 affected
4.3 affected
4.4 affected
4.5 affected
4.6 affected
4.7 affected
… +1 more rows
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I. Basic Information for CVE-2026-19979

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
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Vulnerability Title
GL.iNet XE3000 WebDAV Service MOVE authorization
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was identified 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 vulnerability is the function COPY/MOVE of the component WebDAV Service. Such manipulation leads to authorization bypass. It is possible to launch the attack remotely. The vendor explains: "After our investigation, we have confirmed that the vulnerability described (...) does indeed exist."
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
GL.iNet A1300 4.0 cpe:2.3:a:gl.inet:a1300:*:*:*:*:*:*:*:*
GL.iNet AX1800 4.0 cpe:2.3:a:gl.inet:ax1800:*:*:*:*:*:*:*:*
GL.iNet AXT1800 4.0 cpe:2.3:a:gl.inet:axt1800:*:*:*:*:*:*:*:*
GL.iNet BE1400 4.0 cpe:2.3:a:gl.inet:be1400:*:*:*:*:*:*:*:*
GL.iNet BE3600 4.0 cpe:2.3:a:gl.inet:be3600:*:*:*:*:*:*:*:*
GL.iNet BE6500 4.0 cpe:2.3:a:gl.inet:be6500:*:*:*:*:*:*:*:*
GL.iNet BE9300 4.0 cpe:2.3:a:gl.inet:be9300:*:*:*:*:*:*:*:*
GL.iNet BE10000 4.0 cpe:2.3:a:gl.inet:be10000:*:*:*:*:*:*:*:*
GL.iNet E5800 4.0 cpe:2.3:a:gl.inet:e5800:*:*:*:*:*:*:*:*
GL.iNet MT2500 4.0 cpe:2.3:a:gl.inet:mt2500:*:*:*:*:*:*:*:*
GL.iNet MT3000 4.0 cpe:2.3:a:gl.inet:mt3000:*:*:*:*:*:*:*:*
GL.iNet MT3600BE 4.0 cpe:2.3:a:gl.inet:mt3600be:*:*:*:*:*:*:*:*
GL.iNet MT5000 4.0 cpe:2.3:a:gl.inet:mt5000:*:*:*:*:*:*:*:*
GL.iNet MT6000 4.0 cpe:2.3:a:gl.inet:mt6000:*:*:*:*:*:*:*:*
GL.iNet X2000 4.0 cpe:2.3:a:gl.inet:x2000:*:*:*:*:*:*:*:*
GL.iNet X3000 4.0 cpe:2.3:a:gl.inet:x3000:*:*:*:*:*:*:*:*
GL.iNet XE3000 4.0 cpe:2.3:a:gl.inet:xe3000:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-19979

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 10013 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
100+ AI POC generations per month

III. Intelligence Information for CVE-2026-19979

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News Coverage for CVE-2026-19979 (1)

Same Patch Batch · GL.iNet · 2026-08-17 · 5 CVEs total

CVE-2026-19983 8.3 HIGH GL.iNet XE3000 NAS Command Service gl_nas_sys os command injection
CVE-2026-19980 7.4 HIGH GL.iNet XE3000 Language Update ui.update_langs code injection
CVE-2026-19981 7.4 HIGH GL.iNet XE3000 Wi-Fi Timer Power-Schedule Feature os command injection
CVE-2026-19982 7.4 HIGH GL.iNet BE9300/MT6000 Firewall-management RPC os command injection

IV. Related Vulnerabilities

Same product: A1300
Same vendor: GL.iNet
Same weakness: CWE-639

V. Comments for CVE-2026-19979

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