Acer Addresses Critical Zero-Day Vulnerabilities in Wave 7 Routers
Acer working to patch max severity zero-days in Wave 7 routers

Image: Bleepingcomputer
Acer is working to fix two critical zero-day vulnerabilities in its Wave 7 mesh routers, affecting firmware versions T7c_GBL_1.01.000055 and earlier. The flaws allow unauthorized access to plaintext credentials and persistent backdoor access. Patches are expected by the end of June 2026.
- 01The vulnerabilities are tracked as CVE-2026-49200 and CVE-2026-49201.
- 02CVE-2026-49200 allows attackers to access plaintext credentials stored in log files.
- 03CVE-2026-49201 involves a hardcoded cryptographic key enabling backdoor access.
- 04Acer plans to release firmware updates to address these issues by the end of June 2026.
- 05Users are advised to disable remote management until patches are available.
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Acer has acknowledged two significant zero-day vulnerabilities in its Wave 7 mesh routers, which impact devices running firmware version T7c_GBL_1.01.000055 or earlier. The first vulnerability, identified as CVE-2026-49200, allows unauthenticated attackers to access plaintext login credentials stored in log files through the device's web interface. The second, CVE-2026-49201, involves a hardcoded AES encryption key that grants remote attackers persistent backdoor access to the router. Acer is currently developing patches for these vulnerabilities, with a target release date set for the end of June 2026. In the interim, the company strongly advises users to disable remote management features and restrict Internet access to trusted IP addresses only. Users can also prepare for the upcoming firmware updates by following specific steps to check for updates once they are released.
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The vulnerabilities pose a risk to users' security, potentially allowing unauthorized access to sensitive information.
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