Security readout for executives and security teams
Plain-English summary
CVE-2017-8116 is an unauthenticated remote command execution issue in the Teltonika RUT9XX router management interface. An attacker who can reach the login page on affected firmware could run commands as root, making exposed devices a high-impact perimeter risk.
Executive priority
Treat exposed affected routers as urgent. This is root-level unauthenticated RCE on network infrastructure, with public exploit references, although active exploitation is not confirmed by the provided sources.
Technical view
The CVE record says RUT9XX LuCI firmware 00.03.265 and earlier accepts shell metacharacters in the login username parameter, enabling arbitrary root command execution. The bundle references public Metasploit modules and a Nettitude write-up, but provides no CVSS score or CPE list.
Likely exposure
Exposure is most likely where Teltonika RUT9XX management interfaces are reachable from the internet, partner networks, or broad internal networks. The bundle identifies firmware 00.03.265 and earlier, but does not provide complete affected CPE metadata.
Exploitation context
The source bundle references public Metasploit modules for command execution and user addition. CISA KEV is false, and the provided sources do not establish active exploitation in the wild.
Researcher notes
Evidence supports root command execution through the login username parameter. Avoid assuming all Teltonika models are affected; the bundle specifically names RUT9XX firmware 00.03.265 and earlier and lacks detailed vendor advisory data.
Mitigation direction
- Identify Teltonika RUT9XX routers and firmware versions.
- Restrict management access to trusted admin networks or VPN only.
- Check Teltonika guidance for fixed firmware and upgrade path.
- Rotate credentials after remediation if compromise is suspected.
- Review device users and configuration for unauthorized changes.
Validation and detection
- Confirm whether any RUT9XX device runs firmware 00.03.265 or earlier.
- Verify the management interface is not internet-accessible.
- Review router logs for unusual login or configuration activity.
- Check for unexpected local users, startup changes, or network rule changes.
- Document compensating controls for devices awaiting firmware remediation.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2017-8116 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/nettitude/metasploit-modules/blob/master/teltonika_add_user.rbCVE reference · x_refsource_MISC
- https://github.com/nettitude/metasploit-modules/blob/master/teltonika_cmd_exec.rbCVE reference · x_refsource_MISC
- https://labs.nettitude.com/blog/cve-2017-8116-teltonika-router-unauthenticated-remote-code-execution/CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.