How severe is CVE-2025-14654?

CVE-2025-14654 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-2025-14654 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-14654?

CVE-2025-14654 affects Tenda Ac20 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-14654?

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-2025-14654 have an EU (EUVD) identifier?

Yes. CVE-2025-14654 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-203295.

When was CVE-2025-14654 published?

CVE-2025-14654 was published on 2025-12-14 and last updated on 2026-06-17.

CVE-2025-14654

CVE-2025-14654 is a high-severity vulnerability in Tenda Ac20 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-787.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.0
CVSS v4: 7.4
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-203295
Weakness: CWE-787
Affected product: Tenda Ac20 Firmware
Published: 2025-12-14
Last modified: 2026-06-17

Description

A vulnerability was identified in Tenda AC20 16.03.08.12. The affected element is the function formSetPPTPUserList of the file /goform/setPptpUserList of the component httpd. Such manipulation of the argument list leads to stack-based buffer overflow. The attack can be executed remotely. The exploit is publicly available and might be used.

Frequently asked questions

What is CVE-2025-14654?: A vulnerability was identified in Tenda AC20 16.03.08.12. The affected element is the function formSetPPTPUserList of the file /goform/setPptpUserList of the component httpd. Such manipulation of the argument list leads to stack-based buffer overflow. The attack can be executed remotely. The exploit is publicly available and might be used.
How severe is CVE-2025-14654?: CVE-2025-14654 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-2025-14654 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-14654?: CVE-2025-14654 affects Tenda Ac20 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-14654?: 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-2025-14654 have an EU (EUVD) identifier?: Yes. CVE-2025-14654 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-203295.
When was CVE-2025-14654 published?: CVE-2025-14654 was published on 2025-12-14 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:tenda:ac20_firmware:16.03.08.12:*:*:*:*:*:*:*

More vulnerabilities in Tenda Ac20 Firmware

CVE-2025-15356 — High (CVSS 8.8): A vulnerability has been found in Tenda AC20 up to 16.03.08.12. The impacted element is the function sscanf of the file…
CVE-2025-14656 — High (CVSS 8.8): A weakness has been identified in Tenda AC20 16.03.08.12. This affects the function httpd of the file…
CVE-2025-14655 — High (CVSS 8.8): A security flaw has been discovered in Tenda AC20 16.03.08.12. The impacted element is the function formSetRebootTimer…
CVE-2025-13258 — High (CVSS 8.8): A vulnerability was detected in Tenda AC20 up to 16.03.08.12. The impacted element is an unknown function of the file…
CVE-2025-11385 — High (CVSS 8.8): A vulnerability has been found in Tenda AC20 up to 16.03.08.12. The affected element is the function sscanf of the file…
CVE-2025-10815 — High (CVSS 8.8): A vulnerability was identified in Tenda AC20 up to 16.03.08.12. Affected by this issue is the function strcpy of the…

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