Overview
On December 4, 2018, a 3rd Party security researcher accused the DIR-605L Hardware Revision B and DIR-619L Hardware Revision B of CVE-2018-20056: Stack Buffer Overflow Vulnerability and CVE-2018-20057: Authenticated Remote Command Execution
After an investigation, these vulnerabilities are confirmed however only accessable via the local-network (LAN-side) of the router and not directly from the internet (WAN-side) since it requies access to the web browswer configuration of the router.
D-Link is aware of the public disclosure of CVE-2018-20056 and CVE-2018-20057 from 360 ESG CodeSafe Team involving the DIR-605L and DIR-619L.
3rd Party Report:
360 ESG CodeSafe Team
Since this time, D-Link has dilegently investigate and patched several issues that were publically disclosed in the following CVE's.
Details
CVE-2018-20056: An issue was discovered in /bin/boa on D-Link DIR-619L Rev.B 2.06B1 and DIR-605L Rev.B 2.12B1 devices. There is a stack-based buffer overflow allowing remote attackers to execute arbitrary code without authentication via the goform/formLanguageChange currTime parameter.
CVE-2018-20057:An issue was discovered in /bin/boa on D-Link DIR-619L Rev.B 2.06B1 and DIR-605L Rev.B 2.12B1 devices. goform/formSysCmd allows remote authenticated users to execute arbitrary OS commands via the sysCmd POST parameter.
Affected Products and Fixes:
Model |
Revision |
Affected FW |
Fixed FW |
Last Updated |
DIR-605L |
All B revisions |
v2.12B01 and Lower (older) |
v2.12B03Beta01 |
01/04/2019
|
DIR-619L |
All B revisions |
v2.06B01 and Lower (older)
|
v2.06B02Beta01 |
01/04/2019 |
Regarding Security patch for your D-Link Devices
Firmware updates address the security vulnerabilities in affected D-Link devices. D-Link will update this continually and we strongly recommend all users to install the relevant updates.
As there are different hardware revisions on our products, please check this on your device before downloading the correct corresponding firmware update. The hardware revision information can usually be found on the product label on the underside of the product next to the serial number. Alternatively, they can also be found on the device web configuration.