CVE-2018-6211

high-risk
Published 2018-06-20

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.

Do I need to act?

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12.4% chance of exploitation in next 30 days
EPSS score — higher than 88% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.2/10 High
NETWORK / LOW complexity

Affected Products (7)

Affected Vendors

D-Link

References (8)

Third Party Advisory http://www.securitynewspaper.com/2018/05/25/d-link-dir-620-routers-critical-vuln...
Exploit https://securelist.com/backdoors-in-d-links-backyard/85530/
Third Party Advisory https://securityaffairs.co/wordpress/72839/hacking/d-link-dir-620-flaws.html
Third Party Advisory https://www.bleepingcomputer.com/news/security/backdoor-account-found-in-d-link-...
Third Party Advisory http://www.securitynewspaper.com/2018/05/25/d-link-dir-620-routers-critical-vuln...
Exploit https://securelist.com/backdoors-in-d-links-backyard/85530/
Third Party Advisory https://securityaffairs.co/wordpress/72839/hacking/d-link-dir-620-flaws.html
Third Party Advisory https://www.bleepingcomputer.com/news/security/backdoor-account-found-in-d-link-...
52
/ 100
high-risk
Severity 26/34 · High
Exploitability 12/34 · Low
Exposure 14/34 · Moderate