CVE-2017-5521 NETGEAR Multiple Devices: information leak
In plain words: The program reveals information it should keep private. Leaked secrets — tokens, passwords or memory contents — that help a bigger attack.
Confirmed exploited by CISA on · US federal patch deadline Sep 29, 2022
What to do
- Install NETGEAR's security update for Multiple Devices. If no update exists, follow the vendor's workaround or stop using the product until one ships.
- Turn on automatic firmware updates and replace gear the maker no longer supports.
- Change default passwords and switch off remote administration and features you do not use.
- Do not put storage boxes or cameras directly on the internet — use the maker's app or a VPN.
Who is affected
Could reach you. This one is aimed at devices or apps of the kind people own.
What's at risk: Taken over in bulk to join botnets, used to watch your traffic, or — for storage boxes — locked by ransomware.
The details
- Official name
- NETGEAR Multiple Devices Exposure of Sensitive Information Vulnerability
- Product
- NETGEAR Multiple Devices
- CISA description
- Multiple NETGEAR devices are prone to admin password disclosure via simple crafted requests to the web management server.
- Type of flaw
- Information leak (CWE-200)
- Confirmed exploited
- Sep 8, 2022
- US federal patch deadline
- Sep 29, 2022
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Answering about CVE-2017-5521 ·
Questions about CVE-2017-5521
Is CVE-2017-5521 being exploited?
Yes. CISA added CVE-2017-5521 to its Known Exploited Vulnerabilities catalog on Sep 8, 2022, which means there is reliable evidence of real-world attacks.
How do I fix CVE-2017-5521?
Install NETGEAR's security update for Multiple Devices. If no update exists, follow the vendor's workaround or stop using the product until one ships. Turn on automatic firmware updates and replace gear the maker no longer supports.
Am I affected by CVE-2017-5521?
Only if you use NETGEAR Multiple Devices. This one is aimed at devices or apps of the kind people own.