How severe is CVE-2025-7524?

CVE-2025-7524 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2025-7524 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-7524?

CVE-2025-7524 affects Totolink T6 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-7524?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-7524 have an EU (EUVD) identifier?

Yes. CVE-2025-7524 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-21252.

When was CVE-2025-7524 published?

CVE-2025-7524 was published on 2025-07-13 and last updated on 2026-06-17.

CVE-2025-7524

CVE-2025-7524 is a medium-severity vulnerability in Totolink T6 Firmware with a CVSS 3.x base score of 6.3. 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-74.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
CVSS v2: 6.5
CVSS v4: 2.1
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-21252
Weakness: CWE-74
Affected product: Totolink T6 Firmware
Published: 2025-07-13
Last modified: 2026-06-17

Description

A vulnerability was found in TOTOLINK T6 4.1.5cu.748_B20211015. It has been classified as critical. This affects the function setDiagnosisCfg of the file /cgi-bin/cstecgi.cgi of the component HTTP POST Request Handler. The manipulation of the argument ip leads to command injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

Frequently asked questions

What is CVE-2025-7524?: A vulnerability was found in TOTOLINK T6 4.1.5cu.748_B20211015. It has been classified as critical. This affects the function setDiagnosisCfg of the file /cgi-bin/cstecgi.cgi of the component HTTP POST Request Handler. The manipulation of the argument ip leads to command injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.
How severe is CVE-2025-7524?: CVE-2025-7524 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2025-7524 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-7524?: CVE-2025-7524 affects Totolink T6 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-7524?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-7524 have an EU (EUVD) identifier?: Yes. CVE-2025-7524 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-21252.
When was CVE-2025-7524 published?: CVE-2025-7524 was published on 2025-07-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:totolink:t6_firmware:v4.1.5cu.748_b20211015:*:*:*:*:*:*:*

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