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CVE Record

CVE-2021-33357: A vulnerability exists in RaspAP 2.6 to 2.6.5 in the "iface" GET parameter in /ajax/networking/get_netcfg.p...

A vulnerability exists in RaspAP 2.6 to 2.6.5 in the "iface" GET parameter in /ajax/networking/get_netcfg.php, when the "iface" parameter value contains special characters such as ";" which enables an unauthenticated attacker to execute arbitrary OS commands.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

RaspAP versions 2.6 through 2.6.5 reportedly allow an unauthenticated attacker to execute operating system commands through a network configuration endpoint. This is serious because a network management interface often runs with meaningful privileges on a device that controls connectivity.

Executive priority

Treat as high priority if RaspAP is used, especially on internet-facing or shared-network devices. The issue enables unauthenticated command execution, but source evidence does not confirm active exploitation or a named patch version.

Technical view

The reported flaw is command injection in /ajax/networking/get_netcfg.php. The iface GET parameter is not safely handled when special characters are supplied, allowing arbitrary OS command execution without authentication according to the CVE description.

Likely exposure

Exposure is most likely where RaspAP 2.6 to 2.6.5 is installed and the web interface is reachable by untrusted users or networks.

Exploitation context

The source bundle does not cite CISA KEV listing or active exploitation. A public gist reference exists, so defenders should assume technical details may be publicly discoverable, but active exploitation is not established here.

Researcher notes

NVD-style metadata in the bundle is sparse: no CVSS, CWE, CPE, or vendor-normalized affected product data. The key grounded facts are the affected RaspAP version range, endpoint, iface parameter, unauthenticated access, and arbitrary OS command impact.

Mitigation direction

  • Identify any RaspAP deployments and confirm exact versions.
  • Move off RaspAP 2.6 through 2.6.5 using vendor guidance.
  • Restrict access to the RaspAP web interface to trusted administrative networks.
  • Review RaspAP release notes or advisories for the supported fixed version.
  • Monitor affected hosts for unexpected process execution or configuration changes.

Validation and detection

  • Inventory devices running RaspAP and record installed versions.
  • Confirm whether /ajax/networking/get_netcfg.php is reachable from untrusted networks.
  • Review web server logs for unusual requests to get_netcfg.php.
  • Check whether administrative interfaces are internet-exposed.
  • Verify remediation by confirming no affected versions remain.
Prepared
Confidence
medium
Sources
4

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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ATT&CK lookup starting points

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CVE-2021-33357 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

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.

0CVSS vectors
0Timeline events
0ADP providers
3Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.