How severe is CVE-2025-7624?

CVE-2025-7624 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-7624 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-7624?

CVE-2025-7624 affects Sophos Firewall Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-7624?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2025-7624 have an EU (EUVD) identifier?

Yes. CVE-2025-7624 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-22085.

When was CVE-2025-7624 published?

CVE-2025-7624 was published on 2025-07-21 and last updated on 2026-06-17.

CVE-2025-7624

CVE-2025-7624 is a critical-severity vulnerability in Sophos Firewall Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-89.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 7% (94th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-22085
Weakness: CWE-89
Affected product: Sophos Firewall Firmware
Published: 2025-07-21
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2025-7624?: 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.
How severe is CVE-2025-7624?: CVE-2025-7624 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-7624 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-7624?: CVE-2025-7624 affects Sophos Firewall Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-7624?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-7624 have an EU (EUVD) identifier?: Yes. CVE-2025-7624 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-22085.
When was CVE-2025-7624 published?: CVE-2025-7624 was published on 2025-07-21 and last updated on 2026-06-17.

References

https://www.sophos.com/en-us/security-advisories/sophos-sa-20250721-sfos-rce

Affected products (1)

cpe:2.3:o:sophos:firewall_firmware:*:*:*:*:*:*:*:*

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