What is CVE-2026-49201?

CVE-2026-49201 is a critical-severity vulnerability in Acer Wave 7, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2026-05-29.

How severe is CVE-2026-49201?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Acer Wave 7

CVE-2026-49201

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.

Published 2026-05-29 · last modified 2026-07-21.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (21.5th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 21.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000

Affected products

Acer Wave 7
Acer Wave 7 Firmware
Acer Wave 7 Router — versions T7c_GBL_1.01.000055

Weakness classification (CWE)

CWE-798 — Use of Hard-coded Credentials

References

8fc372e3-d9c5-46e4-9410-38469745c639 (Vendor Advisory)

Frequently asked questions

What is CVE-2026-49201?: CVE-2026-49201 is a critical-severity vulnerability in Acer Wave 7, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2026-05-29.
How severe is CVE-2026-49201?: Critical severity. CVSS v3 base score is 9.8 out of 10.