CVE-2025-60673: dir-878 Command Injection

Description

An unauthenticated command injection vulnerability exists in the D-Link DIR-878A1 router firmware FW101B04.bin. The vulnerability occurs in the 'SetDMZSettings' functionality, where the 'IPAddress' parameter in prog.cgi is stored in NVRAM and later used by librcm.so to construct iptables commands executed via twsystem(). An attacker can exploit this vulnerability remotely without authentication by sending a specially crafted HTTP request, leading to arbitrary command execution on the device.

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CVSS v3.1 Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Weakness Type (CWE)

CWE-77 CWE-77

Affected Products

Vendor	Product	Versions
dlink	dir-878_firmware	All
dlink	dir-878	All

References

Advisories & Patches

https://www.dlink.com/en/security-bulletin/

Exploits

https://github.com/yifan20020708/SGTaint-0-day/blob/main/DLink/DLink-DIR-878/CVE-2025-60673.md

Other References

http://d-link.com https://www.dlink.com/en

Frequently Asked Questions

What is CVE-2025-60673? +

An unauthenticated command injection vulnerability exists in the D-Link DIR-878A1 router firmware FW101B04.bin. The vulnerability occurs in the 'SetDMZSettings' functionality, where the 'IPAddress' parameter in prog.cgi is stored in NVRAM and later used by librcm.so to construct iptables commands executed via twsystem(). An attacker can exploit this vulnerability remotely without authentication by sending a specially crafted HTTP request, leading to arbitrary command execution on the device. It has a CVSS v3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2025-60673? +

CVE-2025-60673 has a CVSS v3.1 score of 6.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-60673? +

CVE-2025-60673 affects products from dlink, specifically: dir-878, dir-878_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-60673? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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