CVE-2026-49201 PUBLISHED

Acer Wave 7 router: Hardcoded Cryptographic Key

Assigner: Acer
Reserved: 28.05.2026 Published: 29.05.2026 Updated: 29.05.2026

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 4.0

CVSS 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
CVSS Score: 10

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	High
Attack Complexity	Low	Integrity	High	Integrity	High
Attack Requirements	None	Availability	High	Availability	High
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	Acer
Product	Wave 7 router
Versions	Default: unaffected affected from T7c_GBL_1.01.000055 to * (incl.)

Credits

Gergo Pap reporter

References

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

Problem Types

CWE-798: Using Hardcoded Credentials CWE

Impacts

CAPEC-37: Retrieve Embedded Sensitive Data