How severe is CVE-2025-25529?

CVE-2025-25529 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-2025-25529 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-25529?

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

Does CVE-2025-25529 have an EU (EUVD) identifier?

Yes. CVE-2025-25529 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-4127.

When was CVE-2025-25529 published?

CVE-2025-25529 was published on 2025-02-11 and last updated on 2026-06-17.

CVE-2025-25529

CVE-2025-25529 is a medium-severity vulnerability 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% (13th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-4127
Weakness: CWE-120
Published: 2025-02-11
Last modified: 2026-06-17

Description

Buffer overflow vulnerability in Digital China DCBC Gateway 200-2.1.1 due to the lack of length verification, which is related to the configuration of static NAT 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-2025-25529?: Buffer overflow vulnerability in Digital China DCBC Gateway 200-2.1.1 due to the lack of length verification, which is related to the configuration of static NAT rules. Attackers who successfully exploit this vulnerability can cause the remote target device to crash or execute arbitrary commands.
How severe is CVE-2025-25529?: CVE-2025-25529 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-2025-25529 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-25529?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-25529 have an EU (EUVD) identifier?: Yes. CVE-2025-25529 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-4127.
When was CVE-2025-25529 published?: CVE-2025-25529 was published on 2025-02-11 and last updated on 2026-06-17.

References

https://gist.github.com/XiaoCurry/121e150c1cc100eab2cbd8ba3b55626b

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