RCE in D-Link Dir-620 Firmware
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.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.058 (92.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 92.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.058 · newest: 0.058 · change: 0.000
Affected products
- D-Link Dir-620 Firmware — versions 1.0.3, 1.0.37, 1.3.1
- Dlink Dir-620
Weakness classification (CWE)
Public proof-of-concept exploits
References
- securityaffairs.co/wordpress/72839/hacking/d-link-dir-620-flaws.html (Third Party Advisory)
- www.bleepingcomputer.com/news/security/backdoor-account-found-in-d-link-dir-620… (Third Party Advisory)
- securelist.com/backdoors-in-d-links-backyard/85530/ (Exploit, Third Party Advisory)
- www.securitynewspaper.com/2018/05/25/d-link-dir-620-routers-critical-vulnerabil… (Third Party Advisory)
Frequently asked questions
- What is CVE-2018-6211?
- CVE-2018-6211 is a high-severity vulnerability in D-Link Dir-620 Firmware, classified under OS Command Injection. CVSS score: 7.2/10. Published 2018-06-20.
- How severe is CVE-2018-6211?
- High severity. CVSS v3 base score is 7.2 out of 10.
- Is CVE-2018-6211 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.