CVE-2026-49201

Acer Wave 7 router: Hardcoded Cryptographic Key

Published May 29, 2026 CVSS 4.0 · 10 Critical EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Acer wave 7
Acer wave 7 Firmware
CPEs cpe:2.3:h:acer:wave_7:-:*:*:*:*:*:*:*
cpe:2.3:o:acer:wave_7_firmware:*:*:*:*:*:*:*:*
Vendors & Products Acer wave 7
Acer wave 7 Firmware
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
First Time appeared Acer
Acer wave 7 Router
Vendors & Products Acer
Acer wave 7 Router
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Acer Wave 7 router: Hardcoded Cryptographic Key
Weaknesses CWE-798
References
Metrics cvssV4_0

{'score': 10, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Acer
Published
Updated
May 29, 2026, 10:53 AM
Reserved
May 28, 2026, 2:47 AM
Status
Analyzed
Published
May 29, 2026, 11:16 AM
Modified
Jul 21, 2026, 12:10 PM