CVE-2020-9377
Published: March 25, 2022
Official Description
D-Link DIR-610 devices allow remote code execution via the cmd parameter to command.php.
CISA KEV Advisory
D-Link DIR-610 Devices Remote Command Execution
D-Link DIR-610 devices allow remote code execution via the cmd parameter to command.php.
The impacted product is end-of-life and should be disconnected if still in use.
Risk Analysis
D-Link DIR-610 devices are vulnerable to remote code execution via the 'cmd' parameter in 'command.php'. This is a high-severity flaw with an EPSS score of 0.76636, indicating a high likelihood of exploitation, and it is confirmed to be exploited in the wild.
This vulnerability is actively exploited in the wild and is part of CISA's Known Exploited Vulnerabilities Catalog. The flaw is remotely exploitable through a web interface.
Users of D-Link DIR-610 devices should update their firmware to the latest secure version or consider replacing affected devices. Restrict access to the router's administration interface from the internet.
Technical Analysis
CVE-2020-9377 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CISA has added CVE-2020-9377 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.
Affected Vendors & Products
Exploit & PoC Resources
All References (1)
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2020-9377 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
- !CISA KEV: Federal agencies must patch per BOD 22-01 timeline
- !Active exploitation confirmed — treat as P1