How severe is CVE-2025-25524?

CVE-2025-25524 has a CVSS 3.x base score of 5.1, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2025-25524 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-25524?

CVE-2025-25524 affects Totolink X6000r Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-25524?

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

Does CVE-2025-25524 have an EU (EUVD) identifier?

Yes. CVE-2025-25524 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-4122.

When was CVE-2025-25524 published?

CVE-2025-25524 was published on 2025-02-11 and last updated on 2026-06-17.

CVE-2025-25524

CVE-2025-25524 is a medium-severity vulnerability in Totolink X6000r Firmware with a CVSS 3.x base score of 5.1. 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-120.

Key facts

Severity: Medium (CVSS 3.x base score 5.1)
EPSS exploit prediction: 0% (6th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-4122
Weakness: CWE-120
Affected product: Totolink X6000r Firmware
Published: 2025-02-11
Last modified: 2026-06-17

Description

Buffer overflow vulnerability in TOTOLink X6000R routers V9.4.0cu.652_B20230116 due to the lack of length verification, which is related to the addition of Wi-Fi filtering rules. Attackers who successfully exploit this vulnerability can cause the remote target device to crash or execute arbitrary commands.

Frequently asked questions

What is CVE-2025-25524?: Buffer overflow vulnerability in TOTOLink X6000R routers V9.4.0cu.652_B20230116 due to the lack of length verification, which is related to the addition of Wi-Fi filtering rules. Attackers who successfully exploit this vulnerability can cause the remote target device to crash or execute arbitrary commands.
How severe is CVE-2025-25524?: CVE-2025-25524 has a CVSS 3.x base score of 5.1, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2025-25524 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-25524?: CVE-2025-25524 affects Totolink X6000r Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-25524?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-25524 have an EU (EUVD) identifier?: Yes. CVE-2025-25524 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-4122.
When was CVE-2025-25524 published?: CVE-2025-25524 was published on 2025-02-11 and last updated on 2026-06-17.

References

https://gist.github.com/XiaoCurry/ce1f80afd2d8be8ca543437f16eae96b

Affected products (1)

cpe:2.3:o:totolink:x6000r_firmware:9.4.0cu.652_b20230116:*:*:*:*:*:*:*

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