CVE-2023-7326

Epson Stylus SX510W Printer Remote Power Off DoS

HIGH
8.7
CVSS Score
Published: November 12, 2025 at 10:09 PM UTC
Updated: June 17, 2026 at 06:52 AM UTC
1 product affected across 1 vendorStylus SX510W

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Severity
HIGH8.7
Exploit prediction
EPSS 0.6%
SSVC
PoC

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 2023-05-13

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.7HIGHVulnCheck
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-400

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