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CVE-2017-9853

CriticalCVSS 9.8/10Last modified Jun 17, 2026

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

Metrics

CVSS 3.0 9.8/10CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

Timeline

Published: Aug 5, 2017
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2017

CVE-2017-98549.8An issue was discovered in SMA Solar Technology products. By sniffing for specific packets on the localhost, plaintext passwords can be obta CVE-2017-98559.8An issue was discovered in SMA Solar Technology products. A secondary authentication system is available for Installers called the Grid Guar CVE-2017-98563.4An issue was discovered in SMA Solar Technology products. Sniffed passwords from SMAdata2+ communication can be decrypted very easily. The p CVE-2017-98578.1An issue was discovered in SMA Solar Technology products. The SMAdata2+ communication protocol does not properly use authentication with enc CVE-2017-98587.5An issue was discovered in SMA Solar Technology products. By sending crafted packets to an inverter and observing the response, active and i CVE-2017-98599.8An issue was discovered in SMA Solar Technology products. The inverters make use of a weak hashing algorithm to encrypt the password for REG CVE-2017-98609.8An issue was discovered in SMA Solar Technology products. An attacker can use Sunny Explorer or the SMAdata2+ network protocol to update the CVE-2017-98619.8An issue was discovered in SMA Solar Technology products. The SIP implementation does not properly use authentication with encryption: it is CVE-2017-98627.5An issue was discovered in SMA Solar Technology products. When signed into Sunny Explorer with a wrong password, it is possible to create a CVE-2017-98638.8An issue was discovered in SMA Solar Technology products. If a user simultaneously has Sunny Explorer running and visits a malicious host, c CVE-2017-98647.5An issue was discovered in SMA Solar Technology products. An attacker can change the plant time even when not authenticated in any way. This CVE-2017-98655.5The function GfxImageColorMap::getGray in GfxState.cc in Poppler 0.54.0 allows remote attackers to cause a denial of service (stack-based bu

CVE-2017-9853: Critical severity, CVSS 9.8 | Vulnix