Vulnerability · Published May 29, 2026 · Assigned by Acer
CVE-2026-49201Acer Wave 7 router: Hardcoded Cryptographic Key
Critical 10.0
In plain English
A critical-severity hard-coded credentials in Wave 7 router from Acer. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 18% of all known vulnerabilities).
Severity (CVSS 4.0)10.0Critical
Exploit odds (30 days)0.3%top 81.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Acer | Wave 7 router | T7c_GBL_1.01.000055 – through * |
Weakness: CWE-798 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H