CVE-2026-49201 Acer Wave 7 router: Hardcoded Cryptographic Key
Attackers can decrypt and modify router backups using a hardcoded key to inject persistent backdoors, compromising device integrity.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-49201?
CVE-2026-49201 is a critical vulnerability in Acer Wave 7 router, published on 29 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
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.
Weakness: CWE-798
Which versions are affected by CVE-2026-49201?
It affects 1 product.
Products include Acer Wave 7 Firmware.
How do I fix CVE-2026-49201?
No fix has been published for CVE-2026-49201 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-49201 being exploited?
There is no known exploitation of CVE-2026-49201 in the wild and no public exploit code.
Other vulnerabilities in Acer Wave 7 router
Sources
Also known as GHSA-5xrr-7q3m-rh98.