High severity7.2NVD Advisory· Published Jun 20, 2018· Updated Jun 17, 2026
CVE-2018-6211
CVE-2018-6211
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
8cpe:2.3:o:d-link:dir-620_firmware:1.0.37:*:*:*:*:*:*:*+ 6 more
- cpe:2.3:o:d-link:dir-620_firmware:1.0.37:*:*:*:*:*:*:*
- cpe:2.3:o:d-link:dir-620_firmware:1.0.3:*:*:*:*:*:*:*
- cpe:2.3:o:d-link:dir-620_firmware:1.3.1:*:*:*:*:*:*:*
- cpe:2.3:o:d-link:dir-620_firmware:1.3.3:*:*:*:*:*:*:*
- cpe:2.3:o:d-link:dir-620_firmware:1.3.7:*:*:*:*:*:*:*
- cpe:2.3:o:d-link:dir-620_firmware:1.4.0:*:*:*:*:*:*:*
- cpe:2.3:o:d-link:dir-620_firmware:2.0.22:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
4- securelist.com/backdoors-in-d-links-backyard/85530/nvdExploitThird Party Advisory
- www.securitynewspaper.com/2018/05/25/d-link-dir-620-routers-critical-vulnerabilities/nvdThird Party Advisory
- securityaffairs.co/wordpress/72839/hacking/d-link-dir-620-flaws.htmlnvdThird Party Advisory
- www.bleepingcomputer.com/news/security/backdoor-account-found-in-d-link-dir-620-routers/nvdThird Party Advisory
News mentions
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