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.
https://vuldb.com/?submit.628642
https://vuldb.com/?ctiid.320525
https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Linksys/E5600.md
Published: 2025-08-19
Updated: 2025-08-20
Base Score: 6.8
Vector: CVSS2#AV:N/AC:H/Au:M/C:C/I:C/A:C
Severity: Medium
Base Score: 6.6
Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Severity: Medium
Base Score: 7.5
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
Severity: High
EPSS: 0.00019