Have exploitation attempts been observed for CVE-2025-14208?

Yes. Exploitation attempts have been reported for this vulnerability. Previdian lists CVE-2025-14208 as a known exploited vulnerability. Confidence is high.

What exploitation activity has Previdian observed?

Previdian has not yet recorded sensor-observed exploitation attempts for CVE-2025-14208. Our sensors continue to monitor for activity targeting this CVE.

Which versions are affected?

CVE-2025-14208 affects D-Link DIR-823X. Reported affected version: 20250416.

No. CVE-2025-14208 is not currently listed in CISA KEV.

Vulnerability report

Exploitation attempts observed in the wild High confidence Not in CISA KEV

CVE-2025-14208

D-Link DIR-823X set_wan_settings sub_415028 command injection

D-Link / DIR-823X · 20250416

Watch CVE-2025-14208 Browse KEV feed

Severity: CVSS 5.3 · Medium
Confidence: High
Exploit status: Exploitation attempts observed in the wild
EPSS: 3.4%
First observed: —
Last observed: —

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2025-14208 is D-Link DIR-823X set_wan_settings sub_415028 command injection. A security flaw has been discovered in D-Link DIR-823X up to 20250416. This affects the function sub_415028 of the file...

Have exploitation attempts been observed?

Yes. Exploitation attempts have been reported for this vulnerability. Previdian lists it as a known exploited vulnerability. Also reported by third-party sources. Confidence is high.

Who is affected?

D-Link / DIR-823X 20250416.

What should we do?

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

Overview

A security flaw has been discovered in D-Link DIR-823X up to 20250416

A security flaw has been discovered in D-Link DIR-823X up to 20250416. This affects the function sub_415028 of the file /goform/set_wan_settings. The manipulation of the argument ppp_username results in command injection.

It is possible to launch the attack remotely. The exploit has been released to the public and may be exploited.

Vendor Product Affected Status

D-Link Affected

DIR-823X

20250416

Affected

View vendor advisory

Published: 08 Dec 2025
Exploitation Attempts Reported: 07 Sep 2026
Attack vector: Remote
Complexity: Low
Privileges: Low
User interaction: None

CVE References

CVE Record CVE.org · CVE Record https://www.cve.org/CVERecord?id=CVE-2025-14208
Submit #700499 | D-Link DIR-823X 250416 Command Injection vuldb.com · Third-Party Advisory https://vuldb.com/?submit.700499
GitHub — panda666-888/vuls github.com · Exploit https://github.com/panda666-888/vuls/blob/main/d-link/dir-823x/set_wa...
VDB-334651 | D-Link DIR-823X set_wan_settings sub_415028 command injection vuldb.com · Technical Description https://vuldb.com/?id.334651
Product — dlink.com dlink.com · Product https://www.dlink.com/
VDB-334651 | CTI Indicators (IOB, IOC, TTP, IOA) vuldb.com · Signature https://vuldb.com/?ctiid.334651
GitHub — panda666-888/vuls github.com · Related https://github.com/panda666-888/vuls/blob/main/d-link/dir-823x/set_wa...

Exploitation evidence

Evidence of exploitation attempts

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

Exploitation attempts observed in the wild

The Shadowserver

Recorded 07 Sep 2026

A trusted third party reported exploitation attempts.

Known exploited vulnerability sources

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

Learn about Pro API access

Source	Added
The Shadowserver First	2026-09-07 00:00 UTC

Detection

Operational artifacts and observed signals

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

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.

Learn about virtual patches →

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 v4.0

5.3 Medium

Potential damage if exploited. Separate from whether attackers are using it.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

EPSS

3.4%

Estimated chance of exploitation in the next 30 days. Previdian's warning comes from evidence, not this score.

Weaknesses

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') CWE-74 Improper Neutralization of Special Elements used in a Command ('Command Injection') CWE-77

All CVSS Scores

CVSS v4.0 5.3 Medium

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

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/E:P/RL:X/RC:C

CVSS v2.0 6.5 Medium

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

Timeline

From disclosure to observed exploitation attempts

07 Sep 2026
00:00 UTC

Added to Previdian KEV Feed

High-confidence, third-party report of exploitation attempts
08 Dec 2025
01:02 UTC

CVE published

Vulnerability disclosed publicly
07 Dec 2025
08:07 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-2025-14208

Sample API response

{
  "cve_id": "CVE-2025-14208",
  "confidence": "High",
  "cvss_score": 5.3,
  "cvss_estimated": false,
  "epss_score": 0.03392,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "attempts": 0, "sensors": 0 }
}