GL.iNet BE9300/MT6000 4.8.x Firewall-management RPC dest_port/dest_ip os command injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability was found in GL.iNet BE9300 and MT6000 4.8.x and classified as critical. This issue affects some unknown processing of the component Firewall-management RPC. The manipulation of the argument dest_port/dest_ip results in os command injection. This vulnerability is cataloged as CVE-2026-19982. The attack may be launched remotely. There is no exploit available. It is suggested to upgrade the affected component. The vendor explains: "After our investigation, we have confirmed that the vulnerability described (...) does indeed exist."

Detailsinfo

A vulnerability was found in GL.iNet BE9300 and MT6000 4.8.x. It has been classified as critical. Affected is an unknown code of the component Firewall-management RPC. The manipulation of the argument dest_port/dest_ip with an unknown input leads to a os command injection vulnerability. CWE is classifying the issue as CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability.

The advisory is shared for download at github.com. This vulnerability is traded as CVE-2026-19982. The exploitability is told to be easy. It is possible to launch the attack remotely. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1202.

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

Upgrading to version 4.9.0 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-60042). Once again VulDB remains the best source for 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: 7.4
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.4
VulDB Temp Score: 7.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.4
CNA Vector: 🔒

CVSSv2info

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

Exploitinginfo

Class: Os command injection
CWE: CWE-78 / CWE-77 / CWE-74
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: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: BE9300/MT6000 4.9.0

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: Confirmed

CVE: CVE-2026-19982 (🔒)
GCVE (CVE): GCVE-0-2026-19982
GCVE (VulDB): GCVE-100-391164
EUVD: 🔒

Entryinfo

Created: 08/16/2026 15:43
Updated: 08/24/2026 03:39
Changes: 08/16/2026 15:43 (55), 08/17/2026 07:10 (1), 08/24/2026 03:39 (30)
Complete: 🔍
Submitter: GLiNet
Cache ID: 216::103

Submitinfo

Accepted

Once again VulDB remains the best source for vulnerability data.

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