What’s Vulnerable › Vulnerabilities

CVE-2023-7326: Epson Stylus SX510W Printer Remote Power Off DoS

• Severity: high (CVSS 8.7 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-11-12 · updated 2026-06-17
• Weakness: CWE-400

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.

Affected products

• Seiko Epson Epson Stylus SX510W: through 2023-05-13

References

• https://www.epson.eu/en_EU/support/sc/epson-stylus-sx510w/s/s837
• https://www.exploit-db.com/exploits/51441
• https://www.vulncheck.com/advisories/epson-stylus-printer-remote-power-off-dos
• https://www.exploit-db.com/exploits/51441

Get alerted when CVE-2023-7326 or the next vulnerability affects your stack