CVE-2025-60697: dir-882 Command Injection

Description

A command injection vulnerability exists in the D-Link DIR-882 Router firmware DIR882A1_FW102B02 within the `prog.cgi` and `rc` binaries. The `sub_4438A4` function in `prog.cgi` stores user-supplied DDNS parameters (`ServerAddress` and `Hostname`) in NVRAM via `nvram_safe_set`. These values are later retrieved in the `start_DDNS_ipv4` function of `rc` using `nvram_safe_get` and concatenated into DDNS shell commands executed via `twsystem()` without proper sanitization. Partial string comparison is performed but is insufficient to prevent command injection. An unauthenticated remote attacker can exploit this vulnerability to execute arbitrary commands on the device through specially crafted HTTP requests to the router's web interface.

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CVSS v3.1 Score

7.3

HIGH

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

Weakness Type (CWE)

CWE-77 CWE-77

Affected Products

Vendor	Product	Versions
dlink	dir-882_firmware	All
dlink	dir-882	All

References

Advisories & Patches

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

Exploits

https://github.com/yifan20020708/SGTaint-0-day/blob/main/DLink/DLink-DIR-882/CVE-2025-60697.md

Other References

https://github.com/yifan20020708/SGTaint-0-day/blob/main/DLink/DLink-DIR-882/4.md https://www.dlink.com/

Frequently Asked Questions

What is CVE-2025-60697? +

A command injection vulnerability exists in the D-Link DIR-882 Router firmware DIR882A1_FW102B02 within the `prog.cgi` and `rc` binaries. The `sub_4438A4` function in `prog.cgi` stores user-supplied DDNS parameters (`ServerAddress` and `Hostname`) in NVRAM via `nvram_safe_set`. These values are later retrieved in the `start_DDNS_ipv4` function of `rc` using `nvram_safe_get` and concatenated into DDNS shell commands executed via `twsystem()` without proper sanitization. Partial string comparison is performed but is insufficient to prevent command injection. An unauthenticated remote attacker can exploit this vulnerability to execute arbitrary commands on the device through specially crafted HTTP requests to the router's web interface. It has a CVSS v3.1 base score of 7.3 (HIGH).

How severe is CVE-2025-60697? +

CVE-2025-60697 has a CVSS v3.1 score of 7.3 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-60697? +

CVE-2025-60697 affects products from dlink, specifically: dir-882, dir-882_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-60697? +

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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