What’s Vulnerable › Vulnerabilities

CVE-2025-40598

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 46.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-07-23 · updated 2026-06-17
• Weakness: CWE-79

Description

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.

Affected products

• SonicWall Sma 210 Firmware: before 10.2.2.1-90sv — fixed in 10.2.2.1-90sv
• SonicWall Sma 410 Firmware: before 10.2.2.1-90sv — fixed in 10.2.2.1-90sv
• SonicWall Sma 500V Firmware: before 10.2.2.1-90sv — fixed in 10.2.2.1-90sv

How to fix

Upgrade to a fixed version: SonicWall Sma 210 Firmware 10.2.2.1-90sv; SonicWall Sma 410 Firmware 10.2.2.1-90sv; SonicWall Sma 500V Firmware 10.2.2.1-90sv. Check the vendor advisory for mitigations.

References

• https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2025-0012
• https://labs.watchtowr.com/stack-overflows-heap-overflows-and-existential-dread-sonicwall-sma100-cve-2025-40596-cve-2025-40597-and-cve-2025-40598/

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