CVE-2018-6211
On D-Link DIR-620 devices with a certain customized (by ISP) variant of firmware 1.0.3, 1.0.37, 1.3.1, 1.3.3, 1.3.7, 1.4.0, and 2.0.22, OS command injection is possible as a result of incorrect processing of the res_buf parameter to index.cgi.
| Software | From | Fixed in |
|---|---|---|
| d-link / dir-620_firmware | 1.0.3 | 1.0.3.x |
| d-link / dir-620_firmware | 1.0.37 | 1.0.37.x |
| d-link / dir-620_firmware | 1.3.1 | 1.3.1.x |
| d-link / dir-620_firmware | 1.3.3 | 1.3.3.x |
| d-link / dir-620_firmware | 1.3.7 | 1.3.7.x |
| d-link / dir-620_firmware | 1.4.0 | 1.4.0.x |
| d-link / dir-620_firmware | 2.0.22 | 2.0.22.x |
- http://www.securitynewspaper.com/2018/05/25/d-link-dir-620-routers-critical-vulnerabilities/
- https://securelist.com/backdoors-in-d-links-backyard/85530/
- https://securityaffairs.co/wordpress/72839/hacking/d-link-dir-620-flaws.html
- https://www.bleepingcomputer.com/news/security/backdoor-account-found-in-d-link-dir-620-routers/
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