Vulnerability in Dlink Dir-2640-Us
CVE-2021-34204
D-Link DIR-2640-US 1.01B04 is affected by Insufficiently Protected Credentials. D-Link AC2600(DIR-2640) stores the device system account password in plain text. It does not use linux user management. In addition, the passwords of all devices are the same, and they cannot be modified by normal users. An attacker can easily log in to the target router through the serial port and obtain root privileges.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.011 (64.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 64.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000
Affected products
- Dlink Dir-2640-Us
- Dlink Dir-2640-Us Firmware — versions 1.01b04
Weakness classification (CWE)
Public proof-of-concept exploits
References
- af854a3a-2127-422b-91ae-364da2661108 (Broken Link)
- www.dlink.com/en/security-bulletin/ (Vendor Advisory)
- af854a3a-2127-422b-91ae-364da2661108 (URL Repurposed, Broken Link)
- github.com/liyansong2018/CVE/tree/main/2021/CVE-2021-34204 (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-34204?
- CVE-2021-34204 is a medium-severity vulnerability in Dlink Dir-2640-Us, classified under Insufficiently Protected Credentials. CVSS score: 6.8/10. Published 2021-06-16.
- How severe is CVE-2021-34204?
- Medium severity. CVSS v3 base score is 6.8 out of 10.
- Is CVE-2021-34204 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.