CVE-2017-16934
The web server on DBL DBLTek devices allows remote attackers to execute arbitrary OS commands by...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2017-16934- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 10.0 High
AV:N/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-78
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2017-16934- Updated
- 2026-11-02
EUVDEUVD-2017-8103 No score
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.
- Record
EUVD-2017-8103- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-qjgc-mf9m-9xq4
The web server on DBL DBLTek devices allows remote attackers to execute arbitrary OS commands by...
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.
- Record
GHSA-qjgc-mf9m-9xq4- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-78
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | DblTek - Multiple Vulnerabilities | 2017-11-21 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2017-16934 is a critical vulnerability (CVSS 9.8) in Dbltek Web Server, published November 24, 2017. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 13.5%, the 96th percentile. No source names a fixed version.