Linksys FGW3000-AH/FGW3000-HK HTTP POST Request sysconf.cgi control_panel_sw command injection
Published May 20, 2025
5.3
MEDIUMCVSS 4.0
EPSS 6.60%
Description
A vulnerability was found in Linksys FGW3000-AH and FGW3000-HK up to 1.0.17.000000. It has been classified as critical. This affects the function control_panel_sw of the file /cgi-bin/sysconf.cgi of the component HTTP POST Request Handler. The manipulation of the argument filename leads to command injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Affected products
-
- Version 1.0.0StatusaffectedConstraints-
- Version 1.0.1StatusaffectedConstraints-
- Version 1.0.10StatusaffectedConstraints-
- Version 1.0.11StatusaffectedConstraints-
- Version 1.0.12StatusaffectedConstraints-
- Version 1.0.13StatusaffectedConstraints-
- Version 1.0.14StatusaffectedConstraints-
- Version 1.0.15StatusaffectedConstraints-
- Version 1.0.16StatusaffectedConstraints-
- Version 1.0.17.000000StatusaffectedConstraints-
- Version 1.0.2StatusaffectedConstraints-
- Version 1.0.3StatusaffectedConstraints-
- Version 1.0.4StatusaffectedConstraints-
- Version 1.0.5StatusaffectedConstraints-
- Version 1.0.6StatusaffectedConstraints-
- Version 1.0.7StatusaffectedConstraints-
- Version 1.0.8StatusaffectedConstraints-
- Version 1.0.9StatusaffectedConstraints-
- Version
-
- Version 1.0.0StatusaffectedConstraints-
- Version 1.0.1StatusaffectedConstraints-
- Version 1.0.10StatusaffectedConstraints-
- Version 1.0.11StatusaffectedConstraints-
- Version 1.0.12StatusaffectedConstraints-
- Version 1.0.13StatusaffectedConstraints-
- Version 1.0.14StatusaffectedConstraints-
- Version 1.0.15StatusaffectedConstraints-
- Version 1.0.16StatusaffectedConstraints-
- Version 1.0.17.000000StatusaffectedConstraints-
- Version 1.0.2StatusaffectedConstraints-
- Version 1.0.3StatusaffectedConstraints-
- Version 1.0.4StatusaffectedConstraints-
- Version 1.0.5StatusaffectedConstraints-
- Version 1.0.6StatusaffectedConstraints-
- Version 1.0.7StatusaffectedConstraints-
- Version 1.0.8StatusaffectedConstraints-
- Version 1.0.9StatusaffectedConstraints-
- 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 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Linksys | Fgw3000-AH | n/a |
| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Linksys | Fgw3000-HK | n/a |
|
Configuration 1
- ≤ 1.0.17.000000
Running on/with
- n/a
Configuration 2
- ≤ 1.0.17.000000
Running on/with
- n/a
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:N/SI:N/SA:N
1 other source (NVD) ▾
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/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:N/UI:N/S:U/C:H/I:H/A:H
1 other source (CVE.org) ▾
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
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 May 21, 2025 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2025–2026- EPSS v4
- EPSS v5
Percentile over time
- EPSS v4
- EPSS v5
Table of values (6 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 6.60% (0.06599) | 93.64th | v5 (v2026.06.15) |
| Aug 10, 2026 | 7.34% (0.07344) | 93.80th | v5 (v2026.06.15) |
| Jun 29, 2026 | 8.69% (0.08686) | 94.46th | v5 (v2026.06.15) |
| Jun 15, 2026 | 10.51% (0.10510) | 95.17th | v5 (v2026.06.15) |
| Mar 16, 2026 | 1.95% (0.01946) | 83.27th | v4 (v2025.03.14) |
| May 21, 2025 | 0.86% (0.00856) | 73.83th | v4 (v2025.03.14) |
References (5)
- https://github.com/CH13hh/tmp_store_cc/blob/main/FGW3000/2.md exploitBroken Link
- https://vuldb.com/?ctiid.309651 signaturepermissions-requiredPermissions RequiredVDB Entry
- https://vuldb.com/?id.309651 vdb-entrytechnical-descriptionThird Party AdvisoryVDB Entry
- https://vuldb.com/?submit.565992 third-party-advisoryThird Party AdvisoryVDB Entry
- https://www.linksys.com/ product
| Link | Providers | Tags |
|---|---|---|
| https://github.com/CH13hh/tmp_store_cc/blob/main/FGW3000/2.md | exploitBroken Link | |
| https://vuldb.com/?ctiid.309651 | signaturepermissions-requiredPermissions RequiredVDB Entry | |
| https://vuldb.com/?id.309651 | vdb-entrytechnical-descriptionThird Party AdvisoryVDB Entry | |
| https://vuldb.com/?submit.565992 | third-party-advisoryThird Party AdvisoryVDB Entry | |
| https://www.linksys.com/ | product |
Change history (0)
No recorded changes yet.