QID 731232

Date Published: 2024-03-14

QID 731232: Buffalo Router Authentication Bypass Vulnerability

A path traversal vulnerability in the web interfaces of Buffalo WSR-2533DHPL2 firmware version 1.02 and prior versions and WSR-2533DHP3 firmware version 1.24 and prior versions could allow unauthenticated remote attackers to bypass authentication.

Affected Versions:
Buffalo WSR-2533DHPL2 firmware version 1.02 and prior versions.
Buffalo WSR-2533DHP3 firmware version 1.24 and prior versions.

Note: This QID checks supports 'Buffalo WSR-2533DHPL2' and 'Buffalo WSR-2533DHP3' models only. QID Detection Logic(Unauthenticated):
This QID sends an HTTP GET request to the 'images/..%2finfo.html' endpoint and checks if the info.html is accessible or not. A vulnerable router will load the info.html which is otherwise inaccessible.

Successful exploitation of the vulnerability may allow a remote unauthenticated attacker to bypass authentication, leading to critical data loss.

CVSS V3 rated as Critical - 9.8 severity.

CVSS V2 rated as High - 7.5 severity.

Solution

Customers are advised to upgrade their routers to the latest version.

Vendor References

CVEs related to QID 731232

CVE-2021-20090 |

Software Advisories

Advisory ID	Software	Component	Link
NA			NA

By selecting these links, you may be leaving CVEreport webspace. We have provided these links to other websites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other websites that are more appropriate for your purpose. CVEreport does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, CVEreport does not endorse any commercial products that may be mentioned on these sites. Please address comments about any linked pages to [email protected].