Vulnerability in Dlink Dsr-500n
CVE-2021-39615
D-Link DSR-500N version 1.02 contains hard-coded credentials for undocumented user accounts in the '/etc/passwd' file.If an attacker succeeds in recovering the cleartext password of the identified hash value, he will be able to log in via SSH or Telnet and thus gain access to the underlying embedded Linux operating system on the device. Fixed in version 2.12/2. NOTE: This vulnerability only affects products that are no longer supported by the maintainer
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.022 (81.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 81.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.022 · newest: 0.022 · change: 0.000
Affected products
- Dlink Dsr-500n
- Dlink Dsr-500n Firmware — versions 1.02
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.dlink.com/en/security-bulletin/ (Vendor Advisory)
- supportannouncement.us.dlink.com/announcement/publication.aspx (Vendor Advisory)
- www.nussko.com/advisories/advisory-2021-08-02.txt (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-39615?
- CVE-2021-39615 is a critical-severity vulnerability in Dlink Dsr-500n, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2021-08-23.
- How severe is CVE-2021-39615?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2021-39615 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.