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

CVSS 8.3 · High EPSS 0.39% · P33

Possible ATT&CK Techniques 1AI

T1078 · Valid Accounts

Affected Version Matrix 153

VendorProductVersion RangeStatus
GL.iNetA13004.0affected
4.1affected
4.2affected
4.3affected
4.4affected
4.5affected
4.6affected
4.7affected
… +1 more rows
GL.iNetAX18004.0affected
4.1affected
4.2affected
4.3affected
4.4affected
4.5affected
4.6affected
4.7affected
… +1 more rows
GL.iNetAXT18004.0affected
4.1affected
4.2affected
4.3affected
4.4affected
4.5affected
4.6affected
4.7affected
… +1 more rows
GL.iNetBE100004.0affected
4.1affected
4.2affected
4.3affected
4.4affected
4.5affected
4.6affected
4.7affected
… +1 more rows
GL.iNetBE14004.0affected
4.1affected
4.2affected
4.3affected
4.4affected
4.5affected
4.6affected
4.7affected
… +1 more rows
GL.iNetBE36004.0affected
4.1affected
4.2affected
4.3affected
4.4affected
4.5affected
4.6affected
4.7affected
… +1 more rows
GL.iNetBE65004.0affected
4.1affected
4.2affected
4.3affected
4.4affected
4.5affected
4.6affected
4.7affected
… +1 more rows
GL.iNetBE93004.0affected
4.1affected
4.2affected
4.3affected
4.4affected
4.5affected
4.6affected
4.7affected
… +1 more rows
GL.iNetE58004.0affected
4.1affected
4.2affected
4.3affected
4.4affected
4.5affected
4.6affected
4.7affected
… +1 more rows
GL.iNetMT25004.0affected
4.1affected
4.2affected
4.3affected
4.4affected
4.5affected
4.6affected
4.7affected
… +1 more rows
GL.iNetMT30004.0affected
4.1affected
4.2affected
4.3affected
4.4affected
4.5affected
4.6affected
4.7affected
… +1 more rows
GL.iNetMT3600BE4.0affected
4.1affected
4.2affected
4.3affected
4.4affected
4.5affected
4.6affected
4.7affected
… +1 more rows
GL.iNetMT50004.0affected
4.1affected
4.2affected
4.3affected
4.4affected
4.5affected
4.6affected
4.7affected
… +1 more rows
GL.iNetMT60004.0affected
4.1affected
4.2affected
4.3affected
4.4affected
4.5affected
4.6affected
4.7affected
… +1 more rows
GL.iNetX20004.0affected
4.1affected
4.2affected
4.3affected
4.4affected
4.5affected
4.6affected
4.7affected
… +1 more rows
GL.iNetX30004.0affected
4.1affected
4.2affected
4.3affected
4.4affected
4.5affected
4.6affected
4.7affected
… +1 more rows
GL.iNetXE30004.0affected
4.1affected
4.2affected
4.3affected
4.4affected
4.5affected
4.6affected
4.7affected
… +1 more rows
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I. Basic Information for CVE-2026-19979

Vulnerability Information
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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

VendorProductAffected VersionsCPESubscribe
GL.iNetA1300 4.0 cpe:2.3:a:gl.inet:a1300:*:*:*:*:*:*:*:*
GL.iNetAX1800 4.0 cpe:2.3:a:gl.inet:ax1800:*:*:*:*:*:*:*:*
GL.iNetAXT1800 4.0 cpe:2.3:a:gl.inet:axt1800:*:*:*:*:*:*:*:*
GL.iNetBE1400 4.0 cpe:2.3:a:gl.inet:be1400:*:*:*:*:*:*:*:*
GL.iNetBE3600 4.0 cpe:2.3:a:gl.inet:be3600:*:*:*:*:*:*:*:*
GL.iNetBE6500 4.0 cpe:2.3:a:gl.inet:be6500:*:*:*:*:*:*:*:*
GL.iNetBE9300 4.0 cpe:2.3:a:gl.inet:be9300:*:*:*:*:*:*:*:*
GL.iNetBE10000 4.0 cpe:2.3:a:gl.inet:be10000:*:*:*:*:*:*:*:*
GL.iNetE5800 4.0 cpe:2.3:a:gl.inet:e5800:*:*:*:*:*:*:*:*
GL.iNetMT2500 4.0 cpe:2.3:a:gl.inet:mt2500:*:*:*:*:*:*:*:*
GL.iNetMT3000 4.0 cpe:2.3:a:gl.inet:mt3000:*:*:*:*:*:*:*:*
GL.iNetMT3600BE 4.0 cpe:2.3:a:gl.inet:mt3600be:*:*:*:*:*:*:*:*
GL.iNetMT5000 4.0 cpe:2.3:a:gl.inet:mt5000:*:*:*:*:*:*:*:*
GL.iNetMT6000 4.0 cpe:2.3:a:gl.inet:mt6000:*:*:*:*:*:*:*:*
GL.iNetX2000 4.0 cpe:2.3:a:gl.inet:x2000:*:*:*:*:*:*:*:*
GL.iNetX3000 4.0 cpe:2.3:a:gl.inet:x3000:*:*:*:*:*:*:*:*
GL.iNetXE3000 4.0 cpe:2.3:a:gl.inet:xe3000:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-19979

#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium
Qwen3.6-35B-A3B · 10013 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
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POC zip download
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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-2026-199838.3 HIGHGL.iNet XE3000 NAS Command Service gl_nas_sys os command injection
CVE-2026-199807.4 HIGHGL.iNet XE3000 Language Update ui.update_langs code injection
CVE-2026-199817.4 HIGHGL.iNet XE3000 Wi-Fi Timer Power-Schedule Feature os command injection
CVE-2026-199827.4 HIGHGL.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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