RCE in Dbltek Web Server
CVE-2017-16934
The web server on DBL DBLTek devices allows remote attackers to execute arbitrary OS commands by obtaining the admin password via a frame.html?content=/dev/mtdblock/5 request, and then using this password for the HTTP Basic Authentication needed for a change_password.csp request, which supports a "<%%25call system.exec:" string in the passwd parameter.
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.135 (96.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Dbltek Web_server
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2017-16934?
- CVE-2017-16934 is a critical-severity vulnerability in Dbltek Web Server, classified under OS Command Injection. CVSS score: 9.8/10. Published 2017-11-24.
- How severe is CVE-2017-16934?
- Critical severity. CVSS v3 base score is 9.8 out of 10.