What is CVE-2026-49200?

CVE-2026-49200 is a critical-severity vulnerability in Acer Wave 7, classified under Insertion of Sensitive Information into Log File. CVSS score: 9.8/10. Published 2026-05-29.

How severe is CVE-2026-49200?

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

Information disclosure in Acer Wave 7

CVE-2026-49200

The acer_cgi.log file in the device firmware is accessible without authentication via the web interface. This file contains cleartext login credentials (for web and Telnet), leading to unauthorized system access.

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: 0.006 (47.4th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 47.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.006 · change: +0.001

Affected products

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

Weakness classification (CWE)

CWE-532 — Insertion of Sensitive Information into Log File

References

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

Frequently asked questions

What is CVE-2026-49200?: CVE-2026-49200 is a critical-severity vulnerability in Acer Wave 7, classified under Insertion of Sensitive Information into Log File. CVSS score: 9.8/10. Published 2026-05-29.
How severe is CVE-2026-49200?: Critical severity. CVSS v3 base score is 9.8 out of 10.