CVE-2026-49201

CriticalCVSS 9.8/10Last modified Jul 21, 2026

Description

The upload.cgi binary, responsible for processing device backups, contains a hardcoded AES encryption key. This allows an attacker to decrypt, modify, and re-encrypt system backups, facilitating persistent backdoor injection.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-798

Affected software

Vendor	Product	Versions
Acer	Wave 7 router	>= T7c_GBL_1.01.000055, <= *

References

https://community.acer.com/en/kb/articles/19673Vendor Advisory

Timeline

Published: May 29, 2026
Last modified: Jul 21, 2026
NVD status: Analyzed

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