Seiko Epson Epson Stylus SX510W up to 2023-05-13 Web Management Services INDEX.HTML resource consumption

Summaryinfo

A vulnerability has been found in Seiko Epson Epson Stylus SX510W up to 2023-05-13 and classified as problematic. Impacted is an unknown function of the file /PRESENTATION/HTML/TOP/INDEX.HTML of the component Web Management Services. This manipulation causes resource consumption. This vulnerability only affects products that are no longer supported by the maintainer. This vulnerability appears as CVE-2023-7326. The attack may be initiated remotely. In addition, an exploit is available.

Detailsinfo

A vulnerability has been found in Seiko Epson Epson Stylus SX510W up to 2023-05-13 and classified as critical. Affected by this vulnerability is an unknown part of the file /PRESENTATION/HTML/TOP/INDEX.HTML of the component Web Management Services. The manipulation with an unknown input leads to a resource consumption vulnerability. The CWE definition for the vulnerability is CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. As an impact it is known to affect availability. The summary by CVE is:

The Epson Stylus SX510W embedded web management service fails to properly handle consecutive ampersand characters in query parameters when accessing /PRESENTATION/HTML/TOP/INDEX.HTML. A remote attacker can send a malformed request that triggers improper input parsing or memory handling, resulting in the printer process shutting down or powering off, causing a denial of service condition.

The weakness was presented by Rafael Pedrero as 51441. The advisory is shared at exploit-db.com. This vulnerability is known as CVE-2023-7326 since 11/12/2025. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known. MITRE ATT&CK project uses the attack technique T1499 for this issue.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. By approaching the search of inurl:PRESENTATION/HTML/TOP/INDEX.HTML it is possible to find vulnerable targets with Google Hacking.

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

The vulnerability is also documented in the vulnerability database at Exploit-DB (51441). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

• Seiko Epson

Name

• Epson Stylus SX510W

Version

• 2023-05-13

Support

• end of life

CPE 2.3info

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CPE 2.2info

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If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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