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CVE-2025-29635

8.8
High
KEV · Exploited in wildEPSS 88%Patch availableApr 25, 2026

Authorized attacker can execute arbitrary commands via POST /goform/set_prohibiting on DIR-823X.

common questions

Is CVE-2025-29635 being exploited?

Yes. CVE-2025-29635 appears in CISA's Known Exploited Vulnerabilities catalog, which means exploitation in the wild has been confirmed and reported. Treat it as active rather than theoretical, and patch it ahead of higher-scoring vulnerabilities that carry no exploitation evidence.

How severe is CVE-2025-29635?

CVE-2025-29635 is rated High with a CVSS score of 8.8. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.

Is there a patch for CVE-2025-29635?

Yes. A fix has been recorded for CVE-2025-29635. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.

What does CVE-2025-29635 affect?

CVE-2025-29635 affects D-Link DIR-823X (firmware 240126, 240802). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.

What should I do about CVE-2025-29635?

Apply vendor mitigations or upgrade firmware; discontinue if unavailable.

Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.

executive summary
technical analysis
affected
D-Link DIR-823X (firmware 240126, 240802)
impact

Remote code execution on the router via web POST; attacker can execute arbitrary commands, potentially full device compromise.

action required

Patch when possible

how to fix
Remediation steps are tailored for users whose stack is affected. Add this technology to your stack to see the fix checklist.
references
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