How severe is CVE-2025-3203?

CVE-2025-3203 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2025-3203 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-3203?

CVE-2025-3203 affects Tenda W18e Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-3203?

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

Does CVE-2025-3203 have an EU (EUVD) identifier?

Yes. CVE-2025-3203 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-9712.

When was CVE-2025-3203 published?

CVE-2025-3203 was published on 2025-04-04 and last updated on 2026-06-17.

CVE-2025-3203

CVE-2025-3203 is a medium-severity vulnerability in Tenda W18e Firmware with a CVSS 3.x base score of 4.3. 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-787.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 4.0
CVSS v4: 5.3
EPSS exploit prediction: 1% (41st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-9712
Weakness: CWE-787
Affected product: Tenda W18e Firmware
Published: 2025-04-04
Last modified: 2026-06-17

Description

A vulnerability classified as problematic was found in Tenda W18E 16.01.0.11. Affected by this vulnerability is the function formSetAccountList of the file /goform/setModules. The manipulation of the argument Password leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

Frequently asked questions

What is CVE-2025-3203?: A vulnerability classified as problematic was found in Tenda W18E 16.01.0.11. Affected by this vulnerability is the function formSetAccountList of the file /goform/setModules. The manipulation of the argument Password leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.
How severe is CVE-2025-3203?: CVE-2025-3203 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2025-3203 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-3203?: CVE-2025-3203 affects Tenda W18e Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-3203?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-3203 have an EU (EUVD) identifier?: Yes. CVE-2025-3203 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-9712.
When was CVE-2025-3203 published?: CVE-2025-3203 was published on 2025-04-04 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:tenda:w18e_firmware:16.01.0.11:*:*:*:*:*:*:*

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