CVE-2023-44420: dir-x3260 (CVSS 8.8)

Description

D-Link DIR-X3260 prog.cgi Incorrect Implementation of Authentication Algorithm Authentication Bypass Vulnerability. This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-X3260 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the prog.cgi executable. The issue results from an incorrect implementation of the authentication algorithm. An attacker can leverage this vulnerability to bypass authentication on the device. Was ZDI-CAN-21100.

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CVSS v3.1 Score

8.8

HIGH

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

Weakness Type (CWE)

CWE-303 CWE-303

Affected Products

Vendor	Product	Versions
dlink	dir-x3260_firmware	< 1.04b01
dlink	dir-x3260	All

References

Other References

https://www.zerodayinitiative.com/advisories/ZDI-23-1518/ https://www.zerodayinitiative.com/advisories/ZDI-23-1518/

Frequently Asked Questions

What is CVE-2023-44420? +

D-Link DIR-X3260 prog.cgi Incorrect Implementation of Authentication Algorithm Authentication Bypass Vulnerability. This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-X3260 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the prog.cgi executable. The issue results from an incorrect implementation of the authentication algorithm. An attacker can leverage this vulnerability to bypass authentication on the device. Was ZDI-CAN-21100. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2023-44420? +

CVE-2023-44420 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2023-44420? +

CVE-2023-44420 affects products from dlink, specifically: dir-x3260, dir-x3260_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-44420? +

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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