CVE-2026-49201CWE-798

Acer Wave 7 router: Hardcoded Cryptographic Key

Critical · published May 29, 2026

CVSS v4.0
10.0
EPSS
0%
Percentile
22.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
10.0 · CRITICAL
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
EPSS
0.00311 · 22.7th percentile
Weakness
CWE-798 · Use of Hard-coded Credentials
Published
2026-05-29T08:57Z
EPSS history
Timeline
  • 29 MAY 08:57Z
    Acer Wave 7 router: Hardcoded Cryptographic Key
    cvelistv5