GL.iNet BE9300/MT6000 Firewall-management RPC os command injection
Published Aug 17, 2026
5.3
MEDIUMCVSS 4.0
EPSS 1.77%
Description
A security vulnerability has been detected in GL.iNet BE9300 and MT6000 4.8.x. This vulnerability affects unknown code of the component Firewall-management RPC. The manipulation of the argument dest_port/dest_ip leads to os command injection. The attack may be initiated remotely. Upgrading to version 4.9.0 is able to resolve this issue. The affected component should be upgraded. The vendor explains: "After our investigation, we have confirmed that the vulnerability described (...) does indeed exist."
Affected products
-
- Version 4.8.*StatusaffectedConstraints-
- Version 4.9.0StatusunaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| GL.iNet | n/a | n/a |
|
No data.
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:X
1 other source (NVD) ▾
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L/E:X/RL:O/RC:C
1 other source (NVD) ▾
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L/E:X/RL:O/RC:C
AV:N/AC:L/Au:S/C:P/I:P/A:P/E:ND/RL:OF/RC:C
1 other source (NVD) ▾
AV:N/AC:L/Au:S/C:P/I:P/A:P
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
NoTechnical Impact
PartialDecision
n/aAssessed Aug 18, 2026 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
Aug–Oct 2026- EPSS v5
Percentile over time
- EPSS v5
Table of values (2 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 1.77% (0.01768) | 77.32th | v5 (v2026.06.15) |
| Aug 17, 2026 | 1.05% (0.01050) | 61.41th | v5 (v2026.06.15) |
References (5)
- https://github.com/gl-inet/CVE-issues/blob/main/4.0.0/Firewall%20Cleanup%20RCE.md related
- https://vuldb.com/cve/CVE-2026-19982 third-party-advisory
- https://vuldb.com/submit/873918 third-party-advisory
- https://vuldb.com/vuln/391164 vdb-entrytechnical-description
- https://vuldb.com/vuln/391164/cti signaturepermissions-required
| Link | Providers | Tags |
|---|---|---|
| https://github.com/gl-inet/CVE-issues/blob/main/4.0.0/Firewall%20Cleanup%20RCE.md | related | |
| https://vuldb.com/cve/CVE-2026-19982 | third-party-advisory | |
| https://vuldb.com/submit/873918 | third-party-advisory | |
| https://vuldb.com/vuln/391164 | vdb-entrytechnical-description | |
| https://vuldb.com/vuln/391164/cti | signaturepermissions-required |
Change history (0)
No recorded changes yet.