CVE-2018-6212: XSS
First published: Wed Jun 20 2018(Updated: )
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, a reflected Cross-Site Scripting (XSS) attack is possible as a result of missed filtration for special characters in the "Search" field and incorrect processing of the XMLHttpRequest object.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| D-Link DIR-620 Firmware | =1.0.3 | |
| D-Link DIR-620 Firmware | =1.0.37 | |
| D-Link DIR-620 Firmware | =1.3.1 | |
| D-Link DIR-620 Firmware | =1.3.3 | |
| D-Link DIR-620 Firmware | =1.3.7 | |
| D-Link DIR-620 Firmware | =1.4.0 | |
| D-Link DIR-620 Firmware | =2.0.22 | |
| dlink DIR-620 firmware |
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Reference Links
- 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/
Frequently Asked Questions
What is the severity of CVE-2018-6212?
CVE-2018-6212 has been classified with a medium severity level due to its potential to allow reflected Cross-Site Scripting (XSS) attacks.
How do I fix CVE-2018-6212?
To remediate CVE-2018-6212, update the D-Link DIR-620 firmware to a version that is not affected by this vulnerability.
What are the affected firmware versions for CVE-2018-6212?
CVE-2018-6212 affects D-Link DIR-620 firmware versions 1.0.3, 1.0.37, 1.3.1, 1.3.3, 1.3.7, 1.4.0, and 2.0.22.
What type of attack is possible with CVE-2018-6212?
CVE-2018-6212 allows for a reflected Cross-Site Scripting (XSS) attack due to inadequate filtration of special characters.
Can CVE-2018-6212 be exploited remotely?
Yes, CVE-2018-6212 can be exploited remotely through the affected D-Link DIR-620 devices by attackers using XSS techniques.
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