CVE-2025-40603 Information disclosure in SMA100

What is CVE-2025-40603?

CVE-2025-40603 is a medium-severity vulnerability in SonicWall SMA100, published on 31 Oct 2025. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

A potential exposure of sensitive information in log files in SonicWall SMA100 Series appliances may allow a remote, authenticated administrator, under certain conditions to view partial users credential data.

Weakness: CWE-532

Which versions are affected by CVE-2025-40603?

It affects 3 products.

Products include Sonicwall Sma 210 Firmware, Sonicwall Sma 410 Firmware, Sonicwall Sma 500v Firmware.

How do I fix CVE-2025-40603?

No fix has been published for CVE-2025-40603 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-40603 being exploited?

There is no known exploitation of CVE-2025-40603 in the wild and no public exploit code.

Other vulnerabilities in SonicWall SMA100

• CVE-2021-20028 SonicWall Secure Remote Access (SRA) SQL Injection Exploited Critical 9.8
• CVE-2025-40599 File upload in SMA 100 Series Critical 9.1
• CVE-2022-1703 Command injection in SMA100 High 8.8
• CVE-2025-40597 Memory corruption in SMA 100 Series High 7.5
• CVE-2025-40596 Memory corruption in SMA 100 Series High 7.3

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-8x72-pg98-vrf2.