CVE-2025-2359: dir-823g Access Control Flaw — Exploit

Description

A vulnerability classified as critical has been found in D-Link DIR-823G 1.0.2B05_20181207. Affected is the function SetDDNSSettings of the file /HNAP1/ of the component DDNS Service. The manipulation of the argument SOAPAction leads to improper authorization. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.

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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-266 CWE-266

CWE-285 CWE-285

Affected Products

Vendor	Product	Versions
dlink	dir-823g_firmware	All
dlink	dir-823g	All

References

Exploits

https://lavender-bicycle-a5a.notion.site/D-Link-DIR-823G-SetDDNSSettings-1ac53a41781f80d98649dd3cbe106e9b?pvs=4

Other References

https://vuldb.com/?ctiid.299826 https://vuldb.com/?id.299826 https://vuldb.com/?submit.513750 https://www.dlink.com/

Frequently Asked Questions

What is CVE-2025-2359? +

A vulnerability classified as critical has been found in D-Link DIR-823G 1.0.2B05_20181207. Affected is the function SetDDNSSettings of the file /HNAP1/ of the component DDNS Service. The manipulation of the argument SOAPAction leads to improper authorization. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer. It has a CVSS v3.1 base score of 7.3 (HIGH).

How severe is CVE-2025-2359? +

CVE-2025-2359 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-2025-2359? +

CVE-2025-2359 affects products from dlink, specifically: dir-823g, dir-823g_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-2359? +

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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