CVE intelligence and bounded remediation

CVE-2017-9807 — An issue was discovered in the OpenWebif plugin through 1.2.4 for E2 open devices

Critical CVSS 9.8

An issue was discovered in the OpenWebif plugin through 1.2.4 for E2 open devices. The saveConfig function of "plugin/controllers/models/config.py" performs an eval() call on the contents of the "key" HTTP GET parameter. This allows an unauthenticated remote attacker to execute arbitrary Python code or OS commands via api/saveconfig.

Severity
Critical
CVSS
9.8 (3.0)
Published
2017-06-22
CISA KEV
Not currently listed
Ecosystem
python/pypi
Weaknesses
CWE-94

Affected products

  • openwebif_project / openwebif

Matched remediation archetype

Command, code, expression, and template injection

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Check exposure

  • Trace untrusted values to process execution, interpreters, evaluators, template engines, dynamic imports, and administrative scripting features.
  • Determine whether the affected path is reachable across each trust boundary and which service account or host privilege it inherits.
  • Review configuration for optional execution features, unsafe compatibility modes, and shell invocation.

Remediate safely

  • Replace string-built commands or evaluated code with fixed operations and structured argument APIs that do not invoke a shell.
  • Use strict allowlists for operation identifiers and reject unexpected input before it reaches any interpreter.
  • Update the affected component and add inert regression tests covering metacharacters, encoding variants, and alternate request paths.

Authoritative sources

Complete CVE record and remediation plan

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