A vulnerability, which was classified as problematic, has been found in Elecom WRC-1167GS2-B, WRC-1167GS2H-B, WRC-2533GS2-B, WRC-2533GS2-W and WRC-2533GS2V-B. This issue affects some unknown functionality. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity. The summary by CVE is:

ELECOM wireless LAN routers contain a cross-site scripting vulnerability. Assume that a malicious administrative user configures the affected product with specially crafted content. When another administrative user logs in and operates the product, an arbitrary script may be executed on the web browser. Affected products and versions are as follows: WRC-1167GS2-B v1.67 and earlier, WRC-1167GS2H-B v1.67 and earlier, WRC-2533GS2-B v1.62 and earlier, WRC-2533GS2-W v1.62 and earlier, and WRC-2533GS2V-B v1.62 and earlier.

The weakness was published 02/29/2024. It is possible to read the advisory at jvn.jp. The identification of this vulnerability is CVE-2024-21798 since 02/15/2024. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Similar entry is available at VDB-255229.

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• Elecom

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• WRC-1167GS2-B
• WRC-1167GS2H-B
• WRC-2533GS2-B
• WRC-2533GS2-W
• WRC-2533GS2V-B

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