KEV Intelligence

Vulnerability report

Active exploitation observed Confirmed confidence In CISA KEV

CVE-2025-29635

DIR-823X Command Injection

D-Link / DIR-823X

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Severity
CVSS 7.2 · High
Confidence
Confirmed
Exploit status
Observed in sensors
EPSS
89.6%
First observed
07 Aug 2026
Last observed
18 Aug 2026

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2025-29635 is a vulnerability affecting D-Link DIR-823X. A command injection vulnerability in D-Link DIR-823X 240126 and 240802 allows an authorized attacker to execute arbitrary commands on remote devices by...

Is it exploited?

Yes. KEV Intelligence sensors observed exploitation attempts with confirmed confidence.

Who is affected?

D-Link / DIR-823X.

What should we do?

Patch immediately, validate internet-facing exposure, and monitor for matching requests.

Overview

DIR-823X Command Injection

A command injection vulnerability in D-Link DIR-823X 240126 and 240802 allows an authorized attacker to execute arbitrary commands on remote devices by sending a POST request to /goform/set_prohibiting via the corresponding function, triggering remote command execution.

Published
25 Mar 2025
Exploitation Reported
01 Jun 2026
Attack vector
Remote
Complexity
Low
Privileges
High
User interaction
None

Tags

cisa nuclei_scanner

CVE References

  • CVE Record CVE.org · CVE Record https://www.cve.org/CVERecord?id=CVE-2025-29635
  • GitHub — mono7s/Dir-823x github.com · CVE Record https://github.com/mono7s/Dir-823x/blob/main/set_prohibiting/set_proh...

Exploitation evidence

Why KEV Intelligence 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

CVE

Recorded 01 Jun 2026

Independent exploitation attestation added to the KEV Intelligence record.

Active exploitation observed

KEV Intelligence sensor

First observed 07 Aug 2026

First-party sensor telemetry confirms matching exploitation attempts.

Proof of concept available

Nuclei Templates

Recorded 29 Jun 2026

Public scanner or PoC coverage increases practical exploitability.

Known exploited vulnerability sources

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

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Source Added
CVE First 2026-06-01 13:23 UTC
CISA 2026-06-02 14:01 UTC
Daily CyberSecurity 2026-06-17 03:20 UTC
The Shadowserver 2026-07-03 00:00 UTC
KEV Intelligence 2026-08-18 09:36 UTC

Operational indicators for this CVE are listed under Detection.

Sensor telemetry

First-party evidence of exploitation activity

Aggregate observations show the scale, recency, and distribution of activity without overstating sparse data.

37

Attempts observed

4

Unique attacker IPs

2

Attacker countries

NL · US

18

Sensors observed

Exploitation attempts over the last 14 days

Daily events observed by KEV Intelligence sensors

Updated 19 Aug 2026

0
1
0
1
4
0
0
0
0
0
11
6
14
0
6 Aug 9 Aug 12 Aug 15 Aug 19 Aug

First observed 07 Aug 2026 · Last observed 18 Aug 2026

Pro adds sensor region and window summaries. Enterprise adds raw IPs, paths, User-Agents, and payloads.

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Detection

Operational artifacts and observed signals

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

Observed signals

Request targets
1
User-Agents
1

Raw values available in Pro and Enterprise.

Virtual patch status

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

Learn about virtual patches →

Attacker IP Indicators

Attacker IP indicators observed · available in Pro and Enterprise.

Sensor-derived attacker IP indicators are available to Pro and Enterprise accounts under Detection and through the Pro API.

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Scanner Artifacts

Scanner and exploit-framework references linked to this CVE.

Scanner Reference Detected
Nuclei https://github.com/projectdiscovery/nuclei-templates/blob/main/javascript/cves/2025/CVE-2025-29635.yaml 29 Jun 2026

Risk and context

Severity, weaknesses, and research context

CVSS v3.1

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

EPSS

89.6%

Weaknesses

Improper Neutralization of Special Elements used in a Command ('Command Injection') CWE-77

Recent mention · Daily CyberSecurity

Fortra BoKS Vulnerability Opens Door to Remote Command Injection

A critical Fortra BoKS vulnerability has put privileged access servers at risk across Linux and UNIX fleets. Tracked The post Fortra BoKS Vulnerability Opens Door to Remote Command Injection appeared first on Daily CyberSecurity. Related posts: High-Severity RCE Discovered...

Read full advisory

Potential Proof of Concepts

These PoCs are unverified and could contain malware. Use at your own risk.

D-Link DIR-823X set_prohibiting - Command Injection

nuclei · Created Unknown

D-Link DIR-823X set_prohibiting - Command Injection

nuclei · Created Unknown

Timeline

From disclosure to observed exploitation

  1. Observed by KEV Intelligence sensors

    Evidence-backed exploitation signal

  2. Indicators of compromise added (4)

    Indicators of compromise recorded

  3. KEV confirmed by The Shadowserver

    Exploitation attested by an external source

  4. Public PoC available

    Public proof-of-concept code published

  5. Nuclei template available

    Scanner coverage available

  6. KEV confirmed by Daily CyberSecurity

    Exploitation attested by an external source

  7. Added to CISA KEV

    Listed in the CISA Known Exploited Vulnerabilities catalog

  8. Added to KEV Intelligence KEV Feed

    High-confidence, third-party attested exploitation

  9. CVE published

    Vulnerability disclosed publicly

  10. 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-2025-29635

Free JSON includes basic KEV fields 
{
  "cve_id": "CVE-2025-29635",
  "confidence": "Confirmed",
  "cvss_score": 7.2,
  "cvss_estimated": false,
  "epss_score": 0.89641,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": true
  },
  "sensor_telemetry": { "attempts": 37, "sensors": 18 }
}

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