Vulnerability · Published Nov 12, 2025 · Assigned by VulnCheck

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

High 8.7

In plain English

A high-severity uncontrolled resource consumption in Epson Stylus SX510W from Seiko Epson. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 49% of all known vulnerabilities).

Severity (CVSS 4.0)8.7High

Exploit odds (30 days)0.6%top 51.4% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official 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 (as reported)

Vendor	Product	Versions
Seiko Epson	Epson Stylus SX510W	0 – through 2023-05-13

Weakness: CWE-400 · Vector: 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

References

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