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CVE-2026-49201 is a hardcoded cryptographic key vulnerability affecting Acer Wave 7 mesh routers running firmware T7c_GBL_1.01.000055 and earlier. The issue resides in the upload.cgi binary responsible for processing device backups, which contains a static AES encryption key. Because the key is embedded in the product, an attacker can decrypt protected backup data, modify its contents, and re-encrypt it into a form accepted by the device. This breaks the trust model for backup confidentiality and integrity and enables malicious alteration of backup material that can be restored or processed by the router. Reported abuse of this weakness includes insertion of persistent backdoor functionality through tampered backups.
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A hardcoded cryptographic key vulnerability in Acer Wave 7 mesh router firmware that could allow remote attackers to gain persistent backdoor access via manipulated system backups.
A hardcoded cryptographic key vulnerability in Acer Wave 7 router firmware where a static AES key in the backup processing binary allows attackers to decrypt, alter, and re-encrypt backups, enabling persistent backdoor injection.
A maximum-severity vulnerability in Acer Wave 7 mesh routers caused by a hardcoded AES key in the backup-processing component, enabling attackers to tamper with backups and inject persistent backdoor access.
A vulnerability in the upload.cgi backup-processing component caused by a hardcoded AES encryption key, allowing attackers to decrypt, alter, and re-encrypt device backups and potentially inject a persistent backdoor.
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Every observed campaign linking this CVE to a named adversary.
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Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.