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CVE-2025-7624

Sophos Firewall Firmware remote code execution

9.8 CRITICALEPSS 8.49%
  1. Published21 Jul 2025

Description

An SQL injection vulnerability in the legacy (transparent) SMTP proxy of Sophos Firewall versions older than 21.0 MR2 (21.0.2) can lead to remote code execution, if a quarantining policy is active for Email and SFOS was upgraded from a version older than 21.0 GA.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Sophos Firewall Firmware< 21.0.2

Remediation

Fixed in
Sophos Firewall Firmware≥ 21.0.2

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Frequently asked

Is CVE-2025-7624 being actively exploited?

CVE-2025-7624 is not in the CISA KEV catalog. Its EPSS exploit probability is 8.49%.

How severe is CVE-2025-7624?

CVE-2025-7624 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 8.49% probability of exploitation.

Which products are affected by CVE-2025-7624?

Affected products include Sophos Firewall Firmware.

How do I fix CVE-2025-7624?

Upgrade affected software to a fixed version, for example Sophos Firewall Firmware 21.0.2 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-7624 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.