CVE-2018-7445 MikroTik RouterOS: memory-safety flaw
In plain words: The program mishandles the memory it uses to keep track of data. A specially made input can scramble that memory. Usually lets an attacker crash the program or run their own code with its permissions.
Confirmed exploited by CISA on · US federal patch deadline Sep 29, 2022
What to do
- Install MikroTik's security update for RouterOS. 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
- MikroTik RouterOS Stack-Based Buffer Overflow Vulnerability
- Product
- MikroTik RouterOS
- CISA description
- In MikroTik RouterOS, a stack-based buffer overflow occurs when processing NetBIOS session request messages. Remote attackers with access to the service can exploit this vulnerability and gain code execution on the system.
- Type of flaw
- Memory-safety flaw (CWE-119)
- Confirmed exploited
- Sep 8, 2022
- US federal patch deadline
- Sep 29, 2022
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Answering about CVE-2018-7445 ·
Questions about CVE-2018-7445
Is CVE-2018-7445 being exploited?
Yes. CISA added CVE-2018-7445 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-2018-7445?
Install MikroTik's security update for RouterOS. 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-2018-7445?
Only if you use MikroTik RouterOS. This one is aimed at devices or apps of the kind people own.