CVE-2017-9853 Weak cryptography in n/a
Solar inverters enforce weak password policies with limited length and character sets, allowing attackers to easily guess credentials and bypass authentication.
- 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-2017-9853?
CVE-2017-9853 is a critical vulnerability in n/a, published on 5 Aug 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue was discovered in SMA Solar Technology products. All inverters have a very weak password policy for the user and installer password. No complexity requirements or length requirements are set. Also, strong passwords are impossible due to a maximum of 12 characters and a limited set of characters. NOTE: the vendor reports that the 12-character limit provides "a very high security standard." Also, only Sunny Boy TLST-21 and TL-21 and Sunny Tripower TL-10 and TL-30 could potentially be affected
Weakness: CWE-521
Which versions are affected by CVE-2017-9853?
It affects 39 products.
Products include Sma Sunny Boy 1.5 Firmware, Sma Sunny Boy 2.5 Firmware, Sma Sunny Boy 3.0 Firmware, Sma Sunny Boy 3.6 Firmware, Sma Sunny Boy 3000tl Firmware, Sma Sunny Boy 3600 Firmware and 33 more.
How do I fix CVE-2017-9853?
No fix has been published for CVE-2017-9853 yet. Limit exposure of the affected software until one is available.
Is CVE-2017-9853 being exploited?
There is no known exploitation of CVE-2017-9853 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-6phr-fw4x-4vgj.