CVE-2018-6213
9.8
CRITICAL · CVSS 3.0 · EPSS 3.4% (pctl 88)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
Description
In the web server 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, there is a hardcoded password of anonymous for the admin account.
Scoring
| CVSS | 9.8 (CRITICAL, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 3.36% — more likely to be exploited than 88% of all CVEs |
| Weakness | CWE-798 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2018-06-20 |
| Last modified | 2026-06-17 |
Affected (2)
| Vendor | Product |
|---|---|
| d-link | dir-620 firmware |
| dlink | dir-620 |
References
- 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/
- 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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