CVE-2026-49201NVD

Vulnerability Summary

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.

Severity Level

UNKNOWN

Published Date

May 29, 2026

Last Modified

May 29, 2026

Exploitation Status

No confirmed exploitation yet

EPSS Score (30-Day)

0.26%Probability

Root Weakness (CWE)

CWE-798: Use of Hard-coded Credentials ↗

The software contains hard-coded credentials, such as a password or cryptographic key, which it uses for its own inbound authentication, outbound communication to external components, or encryption of internal data.

CVSS v4.0 Base Metrics — Score 10.0 (CRITICAL)

Attack VectorNetwork

Attack ComplexityLow

Attack RequirementsNone

Privileges RequiredNone

User InteractionNone

Confidentiality (Vulnerable System)High

Integrity (Vulnerable System)High

Availability (Vulnerable System)High

Confidentiality (Subsequent System)High

Integrity (Subsequent System)High

Availability (Subsequent System)High

Affected & Patched Versions

Affected Versions

Acer Wave 7 router >= T7c_GBL_1.01.000055 and <= *

Patched Versions

Acer Wave 7 router *

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