Vulnerability · CVE-2023-7326
The Epson Stylus SX510W embedded web management service fails to properly handle consecutive ampersand characters in query parameters when accessing /PRESENTATION/HTML/TOP/INDEX.HT
Published Nov 12, 2025 · catalog updated Apr 7, 2026 · SEIKO EPSON Epson Stylus SX510W
Last checked Oct 24, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2023-7326. EPSS is 0.60%. Act only if a listed version of SEIKO EPSON Epson Stylus SX510W is installed.
Gaps on this record
- No version range is stored. A customer cannot check an installed version against this record.
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- High8.7
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.60%
- Remediation
- Vendor / distro source
- Affected products
- vendor SEIKO EPSON Epson Stylus SX510W 0 ≤2023-05-13
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.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- vendor SEIKO EPSON Epson Stylus SX510W 0 ≤2023-05-130 ≤2023-05-13
How to fix CVE-2023-7326
No stored fix
No vendor fix text is stored. Use the linked advisory before you change production.
Version check
No version range is stored, so an installed version cannot be checked on this page.
Advisory
Open the cve_org record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2023-7326. EPSS is 0.60%. Act only if a listed version of SEIKO EPSON Epson Stylus SX510W is installed.
Which versions are affected?
Compare what you have installed with SEIKO EPSON Epson Stylus SX510W 0 ≤2023-05-13 0 ≤2023-05-13. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
No weakness class is stored. EPSS 0.60%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Nov 12, 2025 · EUVD
Detected
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.
Apr 7, 2026 · EUVD
Updated
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.
Sources
- CVE.orgVulnerability recordCVE-2023-7326
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2023-7326
30-day exploitation probability 0.60%
first.org - EUVDVulnerability recordEUVD-2023-60055
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 ha
euvd.enisa.europa.eu
References
Freshness
Last verified in this catalog Oct 24, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- CVE.orgOct 24, 2026
- FIRST EPSSOct 24, 2026
- EUVDOct 24, 2026