8.3
HIGH
CVSS 3.1
CVE-2026-19979
GL.iNet XE3000 WebDAV Service MOVE authorization
Overview
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."
Details
INFO
Published Date :
Aug. 17, 2026, 4:16 a.m.
Last Modified :
Aug. 17, 2026, 4:16 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Impact
Affected Products
The following products are affected by CVE-2026-19979
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
Scoring
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework
for assessing the severity of vulnerabilities in software and systems.
We collect and displays CVSS scores from various sources for each CVE.
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | HIGH | [email protected] | ||||
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
Update the affected devices to version 4.8.1 or later to fix authorization bypass.
- Update devices to version 4.8.1 or later.
- Ensure WebDAV service is properly configured.
- Apply vendor patches when available.
References
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-19979.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-19979 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-19979
weaknesses.
CAPEC-1: Accessing Functionality Not Properly Constrained by ACLs Accessing Functionality Not Properly Constrained by ACLs
CAPEC-5: Blue Boxing Blue Boxing
CAPEC-13: Subverting Environment Variable Values Subverting Environment Variable Values
CAPEC-17: Using Malicious Files Using Malicious Files
CAPEC-39: Manipulating Opaque Client-based Data Tokens Manipulating Opaque Client-based Data Tokens
CAPEC-45: Buffer Overflow via Symbolic Links Buffer Overflow via Symbolic Links
CAPEC-51: Poison Web Service Registry Poison Web Service Registry
CAPEC-59: Session Credential Falsification through Prediction Session Credential Falsification through Prediction
CAPEC-60: Reusing Session IDs (aka Session Replay) Reusing Session IDs (aka Session Replay)
CAPEC-76: Manipulating Web Input to File System Calls Manipulating Web Input to File System Calls
CAPEC-77: Manipulating User-Controlled Variables Manipulating User-Controlled Variables
CAPEC-87: Forceful Browsing Forceful Browsing
CAPEC-104: Cross Zone Scripting Cross Zone Scripting
CAPEC-127: Directory Indexing Directory Indexing
CAPEC-402: Bypassing ATA Password Security Bypassing ATA Password Security
CAPEC-647: Collect Data from Registries Collect Data from Registries
CAPEC-668: Key Negotiation of Bluetooth Attack (KNOB) Key Negotiation of Bluetooth Attack (KNOB)
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-19979 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-19979 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by [email protected]
Aug. 17, 2026
Action Type Old Value New Value Added Affected [{'cpes': ['cpe:2.3:a:gl.inet:a1300:*:*:*:*:*:*:*:*'], 'vendor': 'GL.iNet', 'modules': ['WebDAV Service'], 'product': 'A1300', '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:ax1800:*:*:*:*:*:*:*:*'], 'vendor': 'GL.iNet', 'modules': ['WebDAV Service'], 'product': 'AX1800', '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:axt1800:*:*:*:*:*:*:*:*'], 'vendor': 'GL.iNet', 'modules': ['WebDAV Service'], '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': ['WebDAV Service'], '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': ['WebDAV Service'], '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': ['WebDAV Service'], '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': ['WebDAV Service'], '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': ['WebDAV Service'], 'product': 'BE10000', '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:e5800:*:*:*:*:*:*:*:*'], 'vendor': 'GL.iNet', 'modules': ['WebDAV Service'], 'product': 'E5800', '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:mt2500:*:*:*:*:*:*:*:*'], 'vendor': 'GL.iNet', 'modules': ['WebDAV Service'], 'product': 'MT2500', '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:mt3000:*:*:*:*:*:*:*:*'], 'vendor': 'GL.iNet', 'modules': ['WebDAV Service'], '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': ['WebDAV Service'], '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': ['WebDAV Service'], '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': ['WebDAV Service'], 'product': 'MT6000', '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:x2000:*:*:*:*:*:*:*:*'], 'vendor': 'GL.iNet', 'modules': ['WebDAV Service'], 'product': 'X2000', '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:x3000:*:*:*:*:*:*:*:*'], 'vendor': 'GL.iNet', 'modules': ['WebDAV Service'], 'product': 'X3000', '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': ['WebDAV Service'], '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'}]}] Added 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." Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L Added CVSS V2 (AV:N/AC:L/Au:N/C:P/I:P/A:P) Added CWE CWE-285 Added CWE CWE-639 Added Reference https://github.com/gl-inet/CVE-issues/blob/main/4.0.0/WebDAV%20Public-Share%20Destination%20Authorization%20Bypass.md Added Reference https://vuldb.com/cve/CVE-2026-19979 Added Reference https://vuldb.com/submit/873915 Added Reference https://vuldb.com/vuln/391161 Added Reference https://vuldb.com/vuln/391161/cti
EPSS is a daily estimate of the probability of exploitation activity
being observed over the next 30 days. Following chart shows the EPSS
score history of the vulnerability.