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CVE-2025-29635

D-Link DIR-823X Command Injection

7.2 HIGHActively exploited (CISA KEV)Public exploitEPSS 87.9%
  1. Published25 Mar 2025
  2. Added to CISA KEV24 Apr 2026
  3. Remediation due8 May 2026
Actively exploited (CISA KEV)

D-Link DIR-823X contains a command injection vulnerability that allows an authorized attacker to execute arbitrary commands on remote devices by sending a POST request to /goform/set_prohibiting via the corresponding function. The impacted product could be end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue product utilization.

Added to KEV: 24 Apr 2026Federal remediation due: 8 May 2026

Description

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.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredHigh
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected products

D-Link Dir-823x Firmware240126 · 240802

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

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Frequently asked

Is CVE-2025-29635 being actively exploited?

Yes. CVE-2025-29635 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 24 Apr 2026.

How severe is CVE-2025-29635?

CVE-2025-29635 has a CVSS 3.1 base score of 7.2, rated high. EPSS estimates a 87.9% probability of exploitation.

Which products are affected by CVE-2025-29635?

Affected products include D-Link Dir-823x Firmware.

How do I fix CVE-2025-29635?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-29635 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, Secuno flags any affected asset as top-priority automatically. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.