CVE-2023-7326

Epson Stylus SX510W Printer Remote Power Off DoS

State: Published
Severity: 8.7 High
Published: Nov 12, 2025
Updated: Apr 7, 2026
Reserved: Nov 12, 2025

Description

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.

Scores

CVSS	Score	Vector	Source
4.0	8.7 High	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N	VulnCheck

Weaknesses

CWE-400 Uncontrolled Resource Consumption

Affected Products

Product	Versions
Epson Stylus SX510WSeiko Epson	2023-05-13 and earlierAffected

References

https://www.exploit-db.com/exploits/51441exploit
https://www.epson.eu/en_EU/support/sc/epson-stylus-sx510w/s/s837product
https://www.vulncheck.com/advisories/epson-stylus-printer-remote-power-off-dosthird-party-advisory

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