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CVE-2025-29635: D-Link DIR-823X Command Injection Vulnerability

• Severity: high (CVSS 7.2 v3.1)
• Exploited in the wild: yes — in CISA KEV since 2026-04-24
• EPSS: 87.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-03-25 · updated 2026-06-17
• Weakness: CWE-77

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.

Affected products

• D-Link DIR-823X: 240126, 240802

References

• https://github.com/mono7s/Dir-823x/blob/main/set_prohibiting/set_prohibiting.md
• https://www.akamai.com/blog/security-research/2026/apr/cve-2025-29635-mirai-campaign-targets-d-link-devices
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-29635

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