ZDF
Sign inSign up

Vulnerabilities

Vulnerability · CVE-2025-40598

A Reflected cross-site scripting (XSS) vulnerability exists in the SMA100 series web interface, allowing a remote unauthenticated attacker to potentially execute arbitrary JavaScri

Published Jul 23, 2025 · catalog updated Jul 29, 2025 · Cloudflare SMA 100 Series

Last checked Oct 25, 2026. A connected source was read within the last 7 days.

Check this week

CVE-2025-40598 is not in CISA KEV. FIRST estimates a 46.15% chance of exploitation in the next 30 days. Check whether you run Cloudflare SMA 100 Series.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium6.1
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
46.15%
Remediation
Vendor / distro source
Affected products
vendor SonicWall SMA 100 Series 10.2.1.15-81sv and earlier versions

A Reflected cross-site scripting (XSS) vulnerability exists in the SMA100 series web interface, allowing a remote unauthenticated attacker to potentially execute arbitrary JavaScript code.

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 SonicWall SMA 100 Series 10.2.1.15-81sv and earlier versions10.2.1.15-81sv and earlier versions

How to fix CVE-2025-40598

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2025-40598 is not in CISA KEV. FIRST estimates a 46.15% chance of exploitation in the next 30 days. Check whether you run Cloudflare SMA 100 Series.

Which versions are affected?

Compare what you have installed with SonicWall SMA 100 Series 10.2.1.15-81sv and earlier versions 10.2.1.15-81sv and earlier versions. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 46.15%. 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.

  1. Jul 23, 2025 · EUVD

    Detected

    A Reflected cross-site scripting (XSS) vulnerability exists in the SMA100 series web interface, allowing a remote unauthenticated attacker to potentially execute arbitrary JavaScript code.

  2. Jul 29, 2025 · EUVD

    Updated

    A Reflected cross-site scripting (XSS) vulnerability exists in the SMA100 series web interface, allowing a remote unauthenticated attacker to potentially execute arbitrary JavaScript code.

Sources

  • Cloudflare WAF rulesVendor advisoryCVE-2025-40598

    CVE-2025-40598 is named in a Cloudflare managed-rules release.

    developers.cloudflare.com
  • CVE.orgVulnerability recordCVE-2025-40598

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-40598

    30-day exploitation probability 46.15%

    first.org
  • EUVDVulnerability recordEUVD-2025-22454

    A Reflected cross-site scripting (XSS) vulnerability exists in the SMA100 series web interface, allowing a remote unauthenticated attacker to potentially execute arbitrary JavaScript code.

    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.

  • Cloudflare WAF rulesOct 25, 2026
  • FIRST EPSSOct 24, 2026
  • CVE.orgOct 21, 2026
  • EUVDOct 21, 2026