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Vulnerability Details :

CVE-2025-9146

Summary
Assigner-VulDB
Assigner Org ID-1af790b2-7ee1-4545-860a-a788eba489b5
Published At-19 Aug, 2025 | 16:02
Updated At-19 Aug, 2025 | 19:20
Rejected At-
Credits

Linksys E5600 Firmware checkFw.sh verify_gemtek_header risky encryption

A flaw has been found in Linksys E5600 1.1.0.26. The affected element is the function verify_gemtek_header of the file checkFw.sh of the component Firmware Handler. Executing manipulation can lead to risky cryptographic algorithm. The attack may be launched remotely. The attack requires a high level of complexity. The exploitability is described as difficult. The vendor was contacted early about this disclosure but did not respond in any way.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:VulDB
Assigner Org ID:1af790b2-7ee1-4545-860a-a788eba489b5
Published At:19 Aug, 2025 | 16:02
Updated At:19 Aug, 2025 | 19:20
Rejected At:
▼CVE Numbering Authority (CNA)
Linksys E5600 Firmware checkFw.sh verify_gemtek_header risky encryption

A flaw has been found in Linksys E5600 1.1.0.26. The affected element is the function verify_gemtek_header of the file checkFw.sh of the component Firmware Handler. Executing manipulation can lead to risky cryptographic algorithm. The attack may be launched remotely. The attack requires a high level of complexity. The exploitability is described as difficult. The vendor was contacted early about this disclosure but did not respond in any way.

Affected Products
Vendor
Linksys Holdings, Inc.Linksys
Product
E5600
Modules
  • Firmware Handler
Versions
Affected
  • 1.1.0.26
Problem Types
TypeCWE IDDescription
CWECWE-327Risky Cryptographic Algorithm
CWECWE-310Cryptographic Issues
Type: CWE
CWE ID: CWE-327
Description: Risky Cryptographic Algorithm
Type: CWE
CWE ID: CWE-310
Description: Cryptographic Issues
Metrics
VersionBase scoreBase severityVector
4.07.5HIGH
CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X
3.16.6MEDIUM
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:R
3.06.6MEDIUM
CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:R
2.06.8N/A
AV:N/AC:H/Au:M/C:C/I:C/A:C/E:ND/RL:ND/RC:UR
Version: 4.0
Base score: 7.5
Base severity: HIGH
Vector:
CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X
Version: 3.1
Base score: 6.6
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:R
Version: 3.0
Base score: 6.6
Base severity: MEDIUM
Vector:
CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:R
Version: 2.0
Base score: 6.8
Base severity: N/A
Vector:
AV:N/AC:H/Au:M/C:C/I:C/A:C/E:ND/RL:ND/RC:UR
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
reporter
IOT_Res (VulDB User)
Timeline
EventDate
Advisory disclosed2025-08-19 00:00:00
VulDB entry created2025-08-19 02:00:00
VulDB entry last update2025-08-19 09:30:42
Event: Advisory disclosed
Date: 2025-08-19 00:00:00
Event: VulDB entry created
Date: 2025-08-19 02:00:00
Event: VulDB entry last update
Date: 2025-08-19 09:30:42
Replaced By
Rejected Reason
References
HyperlinkResource
https://vuldb.com/?id.320525
vdb-entry
technical-description
https://vuldb.com/?ctiid.320525
signature
permissions-required
https://vuldb.com/?submit.628642
third-party-advisory
https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Linksys/E5600.md
patch
https://www.linksys.com/
product
Hyperlink: https://vuldb.com/?id.320525
Resource:
vdb-entry
technical-description
Hyperlink: https://vuldb.com/?ctiid.320525
Resource:
signature
permissions-required
Hyperlink: https://vuldb.com/?submit.628642
Resource:
third-party-advisory
Hyperlink: https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Linksys/E5600.md
Resource:
patch
Hyperlink: https://www.linksys.com/
Resource:
product
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Linksys/E5600.md
exploit
Hyperlink: https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Linksys/E5600.md
Resource:
exploit
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:cna@vuldb.com
Published At:19 Aug, 2025 | 16:15
Updated At:20 Aug, 2025 | 14:40

A flaw has been found in Linksys E5600 1.1.0.26. The affected element is the function verify_gemtek_header of the file checkFw.sh of the component Firmware Handler. Executing manipulation can lead to risky cryptographic algorithm. The attack may be launched remotely. The attack requires a high level of complexity. The exploitability is described as difficult. The vendor was contacted early about this disclosure but did not respond in any way.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.07.5HIGH
CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/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
Secondary3.16.6MEDIUM
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Secondary2.06.8MEDIUM
AV:N/AC:H/Au:M/C:C/I:C/A:C
Type: Secondary
Version: 4.0
Base score: 7.5
Base severity: HIGH
Vector:
CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/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
Type: Secondary
Version: 3.1
Base score: 6.6
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Type: Secondary
Version: 2.0
Base score: 6.8
Base severity: MEDIUM
Vector:
AV:N/AC:H/Au:M/C:C/I:C/A:C
CPE Matches
Weaknesses
CWE IDTypeSource
CWE-310Secondarycna@vuldb.com
CWE-327Secondarycna@vuldb.com
CWE ID: CWE-310
Type: Secondary
Source: cna@vuldb.com
CWE ID: CWE-327
Type: Secondary
Source: cna@vuldb.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Linksys/E5600.mdcna@vuldb.com
N/A
https://vuldb.com/?ctiid.320525cna@vuldb.com
N/A
https://vuldb.com/?id.320525cna@vuldb.com
N/A
https://vuldb.com/?submit.628642cna@vuldb.com
N/A
https://www.linksys.com/cna@vuldb.com
N/A
https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Linksys/E5600.md134c704f-9b21-4f2e-91b3-4a467353bcc0
N/A
Hyperlink: https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Linksys/E5600.md
Source: cna@vuldb.com
Resource: N/A
Hyperlink: https://vuldb.com/?ctiid.320525
Source: cna@vuldb.com
Resource: N/A
Hyperlink: https://vuldb.com/?id.320525
Source: cna@vuldb.com
Resource: N/A
Hyperlink: https://vuldb.com/?submit.628642
Source: cna@vuldb.com
Resource: N/A
Hyperlink: https://www.linksys.com/
Source: cna@vuldb.com
Resource: N/A
Hyperlink: https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Linksys/E5600.md
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Resource: N/A

Change History

0
Information is not available yet

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