PT-2025-33749 · Linksys · Linksys E5600

Iot_Res · Published 2025-08-05 · Updated 2025-09-12 · CVE-2025-9146

Positive Technologies (AI Summary)

CVSS v3.1

8.1

High

Base vector

AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions: Linksys E5600 version 1.1.0.26

Description: A flaw exists in the Linksys E5600 due to a risky cryptographic algorithm within the verify gemtek header function of the checkFw.sh file in the Firmware Handler component. The attack can be launched remotely and requires a high level of complexity, with exploitability described as difficult. The vendor was contacted but did not respond.

Recommendations: Update to a newer version that contains a fix for this issue. As a temporary workaround, consider restricting access to the vulnerable component Firmware Handler to minimize the risk of exploitation.

Exploit

Fix

Use of a Broken Cryptographic Algorithm

Weakness Enumeration

CWE-327

CWE-310

Related Identifiers

BDU:2025-10891

CVE-2025-9146

Affected Products

Linksys E5600

References · 10

• 🔥 https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Linksys/E5600.md · Exploit
• https://osv.dev/vulnerability/CVE-2025-9146 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-9146 · Security Note
• https://bdu.fstec.ru/vul/2025-10891 · Security Note
• https://t.me/cveNotify/135256 · Telegram Post
• https://vuldb.com/?ctiid.320525 · Note
• https://vuldb.com/?id.320525 · Note
• https://vuldb.com/?submit.628642 · Note
• https://twitter.com/CVEnew/status/1957846932539285864 · Twitter Post
• https://linksys.com · Note