CVE-2017-9859

An issue was discovered in SMA Solar Technology products

published August 5, 2017

CVSS
—
EPSS
1%
Percentile
65.9
In the wild
Unconfirmed
What it is

⚠️ Passwords hashed with a weak algorithm? That’s like locking your front door with a flimsy piece of tape! Imagine if your bank used a flimsy lock on their vault door — sure, it’s closed, but a determined thief could crack it open in no time. This vulnerability works similarly; the hashing algorithm protecting your passwords is just too weak to keep attackers at bay. An attacker could potentially crack the password using offline tools, gaining unauthorized access to SMA's servers. With this level of access, they could manipulate settings or gather sensitive information, creating chaos in your solar setup. It’s like giving a stranger the keys to your house — a recipe for disaster!

Put simply

Imagine if your bank used a flimsy lock on their vault door — sure, it’s closed, but a determined thief could crack it open in no time. This vulnerability works similarly; the hashing algorithm protecting your passwords is just too weak to keep attackers at bay. The vulnerability in SMA Solar Technology products arises from the use of a weak hashing algorithm for encrypting passwords during REGISTER requests, making it easy for attackers to crack them offline. Only the Sunny Boy TLST-21 and TL-21, and Sunny Tripower TL-10 and TL-30 models are affected.

What to do

An attacker could potentially crack the password using offline tools, gaining unauthorized access to SMA's servers. With this level of access, they could manipulate settings or gather sensitive information, creating chaos in your solar setup. It’s like giving a stranger the keys to your house — a recipe for disaster! To mitigate this risk, consider reaching out to SMA for guidance on updates or patches to strengthen password encryption. Regularly monitor any suspicious activity on your systems and change default passwords to something more complex. Keeping your firmware up to date is also crucial! You've got this! With these steps, you’ll turn your system into a security fortress! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01127 · 65.9th percentile
Published
2017-08-05T17:00Z
EPSS history
Timeline
  • 05 AUG 17:00Z
    An issue was discovered in SMA Solar Technology products
    cvelistv5