Acer Wave 7 router: Hardcoded Cryptographic Key
Priority MEDIUM 48CWE-798Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-798.
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00262 18th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Acer | Wave 7 router | T7c_GBL_1.01.000055 and later | — | No fix listed | CNA |
- Wave 7 router VendorAcer Affected T7c_GBL_1.01.000055 and later Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-49201
- 2026-10-03 Alias added: GHSA-5xrr-7q3m-rh98
References
More Acer Wave 7 Firmware vulnerabilities
- TI-2026-36403 Acer Wave 7 router: Broken Access Control CVSS 4.0CRITICAL 10.0
Sources
- CVE-2026-49201 · CVE Program
- CVE-2026-49201 · NVD
- FIRST EPSS
- GHSA-5xrr-7q3m-rh98 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences