How severe is CVE-2025-15218?

CVE-2025-15218 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-15218 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-2025-15218?

CVE-2025-15218 primarily affects Tenda Ac10u Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-15218?

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

Does CVE-2025-15218 have an EU (EUVD) identifier?

Yes. CVE-2025-15218 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-205684.

When was CVE-2025-15218 published?

CVE-2025-15218 was published on 2025-12-30 and last updated on 2026-06-17.

CVE-2025-15218

CVE-2025-15218 is a high-severity vulnerability in Tenda Ac10u Firmware with a CVSS 3.x base score of 8.8. 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-119.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.0
CVSS v4: 7.4
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-205684
Weakness: CWE-119
Affected product: Tenda Ac10u Firmware
Published: 2025-12-30
Last modified: 2026-06-17

Description

A weakness has been identified in Tenda AC10U 15.03.06.48/15.03.06.49. Affected by this vulnerability is the function fromadvsetlanip of the file /goform/AdvSetLanip of the component POST Request Parameter Handler. Executing a manipulation of the argument lanMask can lead to buffer overflow. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks.

Frequently asked questions

What is CVE-2025-15218?: A weakness has been identified in Tenda AC10U 15.03.06.48/15.03.06.49. Affected by this vulnerability is the function fromadvsetlanip of the file /goform/AdvSetLanip of the component POST Request Parameter Handler. Executing a manipulation of the argument lanMask can lead to buffer overflow. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks.
How severe is CVE-2025-15218?: CVE-2025-15218 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-15218 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-2025-15218?: CVE-2025-15218 primarily affects Tenda Ac10u Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-15218?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-15218 have an EU (EUVD) identifier?: Yes. CVE-2025-15218 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-205684.
When was CVE-2025-15218 published?: CVE-2025-15218 was published on 2025-12-30 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:tenda:ac10u_firmware:15.03.06.48:*:*:*:*:*:*:*
cpe:2.3:o:tenda:ac10u_firmware:15.03.06.49:*:*:*:*:*:*:*

More vulnerabilities in Tenda Ac10u Firmware

CVE-2025-15215 — High (CVSS 8.8): A vulnerability was determined in Tenda AC10U 15.03.06.48/15.03.06.49. This affects the function formSetPPTPUserList of…
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CVE-2024-2710 — High (CVSS 8.8): A vulnerability was found in Tenda AC10U 15.03.06.49. It has been declared as critical. Affected by this vulnerability…
CVE-2024-2709 — High (CVSS 8.8): A vulnerability was found in Tenda AC10U 15.03.06.49. It has been classified as critical. Affected is the function…

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