CVE-2026-49201

CRITICAL

Acer Wave 7 router: Hardcoded Cryptographic Key

Title source: cna
STIX 2.1

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.

References (1)

Core 1

Scores

CVSS v3 9.8
EPSS 0.0018
EPSS Percentile 7.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

CWE
CWE-798
Status published
Products (2)
Acer/Wave 7 router T7c_GBL_1.01.000055
acer/wave_7_firmware < t7c_gbl_1.01.000055
Published May 29, 2026
Tracked Since May 29, 2026