What’s Vulnerable › Vulnerabilities

CVE-2025-55582

• Severity: medium (CVSS 6.6 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-08-27 · updated 2026-06-17
• Weakness: CWE-269

Description

D-Link DCS-825L firmware v1.08.01 contains a vulnerability in the watchdog script `mydlink-watch-dog.sh`, which blindly respawns binaries such as `dcp` and `signalc` without verifying integrity, authenticity, or permissions. An attacker with local filesystem access (via physical access, firmware modification, or debug interfaces) can replace these binaries with malicious payloads. The script executes these binaries as root in an infinite loop, leading to persistent privilege escalation and arbitrary code execution. This issue is mitigated in v1.09.02, but the product is officially End-of-Life and unsupported.

Affected products

• Dlink Dcs-825L Firmware: 1.08.01

References

• https://cybermaya.in/posts/Post-43/
• https://supportannouncement.us.dlink.com/security/publication.aspx?name=SAP10431
• https://www.dlink.com/en/security-bulletin/

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