Vulnerability report

Exploited in the wild High confidence Not in CISA KEV

CVE-2024-2851

Tenda AC15 setsambacfg formSetSambaConf os command injection

Tenda / AC15 · 15.03.05.18

View live feed Monitor via API Watch CVE-2024-2851
Severity
CVSS 6.3 · Medium
Confidence
High
Exploit status
Exploited in the wild
EPSS
4.0%
First observed
—
Last observed
—

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2024-2851 is Tenda AC15 setsambacfg formSetSambaConf os command injection. A vulnerability was found in Tenda AC15 15.03.05.18/15.03.20_multi. It has been classified as critical. This affects the function...

Is it exploited?

Yes. Previdian tracks this CVE as a known exploited vulnerability. Confidence is high. Also confirmed by third-party sources.

Who is affected?

Tenda / AC15 15.03.05.18.

What should we do?

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Overview

A vulnerability was found in Tenda AC15 15.03.05.18/15.03.20_multi

A vulnerability was found in Tenda AC15 15.03.05.18/15.03.20_multi. It has been classified as critical. This affects the function formSetSambaConf of the file /goform/setsambacfg. The manipulation of the argument usbName leads to os command injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-257775.

NOTE: The vendor was contacted early about this disclosure but did not respond in any way. Es wurde eine Schwachstelle in Tenda AC15 15.03.05.18/15.03.20_multi ausgemacht. Sie wurde als kritisch eingestuft. Es betrifft die Funktion formSetSambaConf der Datei /goform/setsambacfg. Dank Manipulation des Arguments usbName mit unbekannten Daten kann eine os command injection-Schwachstelle ausgenutzt werden. Der Angriff kann über das Netzwerk erfolgen. Der Exploit steht zur öffentlichen Verfügung.

tenda Affected
ac15_firmware
15.03.05.18 15.03.05.20_multi
Tenda Affected
AC15
15.03.05.18 15.03.20_multi
Published
24 Mar 2024
Exploitation Reported
09 Sep 2026
Attack vector
Remote
Complexity
Low
Privileges
Low
User interaction
None

CVE References

Exploitation evidence

Why Previdian marks this CVE as exploited

Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.

Exploited in the wild

The Shadowserver

Recorded 09 Sep 2026

A trusted third party reported exploitation.

Known exploited vulnerability sources

Per-source evidence links for KEV attestations are available through the Previdian Pro API.

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Source Added
The Shadowserver First 2026-09-09 00:00 UTC

Detection

Operational artifacts and observed signals

Make the evidence actionable in scanner, SOC, and edge-control workflows.

Observed signals

Request targets
User-Agents
Callback hosts
0
0
0

Request targets and User-Agents available in Pro. Callback host details available in Enterprise.

Scanner coverage

No scanner integrations recorded yet.

Virtual patch status

No Previdian virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.

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No detection artifacts or sensor request patterns are available for this CVE yet.

Check back as sensor telemetry and scanner integrations are updated.

Risk and context

Severity, weaknesses, and research context

CVSS v3.1

6.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

EPSS

4.0%

Weaknesses

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') CWE-78

All CVSS Scores

CVSS v3.1 6.3 Medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

CVSS v3.0 6.3 Medium

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

CVSS v2.0 6.5 Medium

AV:N/AC:L/Au:S/C:P/I:P/A:P

Timeline

From disclosure to observed exploitation

  1. 00:00 UTC

    Added to Previdian KEV Feed

    High-confidence, third-party attested exploitation

  2. 03:00 UTC

    CVE published

    Vulnerability disclosed publicly

  3. 05:46 UTC

    CVE ID reserved

    Identifier reserved by the CNA

Pro API

Automate this intelligence

Confidence, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.

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  • Evidence confidence and provenance
  • First-party sensor telemetry
  • PoC and scanner references
  • Affected versions and enrichment
  • Automation-ready JSON delivery

GET /api/v2/pro/kevs/CVE-2024-2851

Free JSON includes basic KEV fields 
{
  "cve_id": "CVE-2024-2851",
  "confidence": "High",
  "cvss_score": 6.3,
  "cvss_estimated": false,
  "epss_score": 0.04009,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "attempts": 0, "sensors": 0 }
}