GL.iNet XE3000 up to 4.8.x WebDAV Service COPY/MOVE authorization

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found 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 COPY/MOVE of the component WebDAV Service. Performing a manipulation results in authorization. This vulnerability is identified as CVE-2026-19979. The attack can be initiated remotely. There is not any exploit available. The vendor explains: "After our investigation, we have confirmed that the vulnerability described (...) does indeed exist."

Detailsinfo

A vulnerability, which was classified as critical, was found 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. This affects the function COPY/MOVE of the component WebDAV Service. The manipulation with an unknown input leads to a authorization vulnerability. CWE is classifying the issue as CWE-639. The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data. This is going to have an impact on confidentiality, integrity, and availability.

The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2026-19979. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/24/2026).

The vendor explains: "After our investigation, we have confirmed that the vulnerability described (...) does indeed exist."

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-60039). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 8.3
VulDB Meta Temp Score: 8.1

VulDB Base Score: 8.3
VulDB Temp Score: 8.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 8.3
CNA Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Authorization
CWE: CWE-639 / CWE-285 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

08/16/2026 Advisory disclosed
08/16/2026 +0 days VulDB entry created
08/24/2026 +8 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2026-19979 (🔒)
GCVE (CVE): GCVE-0-2026-19979
GCVE (VulDB): GCVE-100-391161
EUVD: 🔒

Entryinfo

Created: 08/16/2026 15:43
Updated: 08/24/2026 02:28
Changes: 08/16/2026 15:43 (53), 08/17/2026 07:10 (1), 08/24/2026 02:28 (30)
Complete: 🔍
Submitter: GLiNet
Cache ID: 216::103

Submitinfo

Accepted

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

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