How severe is CVE-2025-25456?

CVE-2025-25456 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-25456 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-25456?

CVE-2025-25456 affects Tenda Ac10 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-25456?

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

Does CVE-2025-25456 have an EU (EUVD) identifier?

Yes. CVE-2025-25456 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-11011.

When was CVE-2025-25456 published?

CVE-2025-25456 was published on 2025-04-15 and last updated on 2026-06-17.

CVE-2025-25456

CVE-2025-25456 is a critical-severity vulnerability in Tenda Ac10 Firmware with a CVSS 3.x base score of 9.8. 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-120.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-11011
Weakness: CWE-120
Affected product: Tenda Ac10 Firmware
Published: 2025-04-15
Last modified: 2026-06-17

Description

Tenda AC10 V4.0si_V16.03.10.20 is vulnerable to Buffer Overflow in AdvSetMacMtuWan via mac2.

Frequently asked questions

What is CVE-2025-25456?: Tenda AC10 V4.0si_V16.03.10.20 is vulnerable to Buffer Overflow in AdvSetMacMtuWan via mac2.
How severe is CVE-2025-25456?: CVE-2025-25456 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-25456 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-25456?: CVE-2025-25456 affects Tenda Ac10 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-25456?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-25456 have an EU (EUVD) identifier?: Yes. CVE-2025-25456 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-11011.
When was CVE-2025-25456 published?: CVE-2025-25456 was published on 2025-04-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:tenda:ac10_firmware:16.03.10.20:*:*:*:*:*:*:*

More vulnerabilities in Tenda Ac10 Firmware

CVE-2025-67073 — Critical (CVSS 9.8): A Buffer overflow vulnerability in function fromAdvSetMacMtuWan of bin httpd in Tenda AC10V4.0 V16.03.10.20 allows…
CVE-2025-45779 — Critical (CVSS 9.8): Tenda AC10 V1.0re_V15.03.06.46 is vulnerable to Buffer Overflow in the formSetPPTPUserList handler via the list POST…
CVE-2025-25675 — Critical (CVSS 9.8): Tenda AC10 V1.0 V15.03.06.23 has a command injection vulnerablility located in the formexeCommand function. The str…
CVE-2025-25674 — Critical (CVSS 9.8): Tenda AC10 V1.0 V15.03.06.23 is vulnerable to Buffer Overflow in form_fast_setting_wifi_set via the parameter ssid.
CVE-2023-45484 — Critical (CVSS 9.8): Tenda AC10 version US_AC10V4.0si_V16.03.10.13_cn was discovered to contain a stack overflow via the shareSpeed…
CVE-2023-45483 — Critical (CVSS 9.8): Tenda AC10 version US_AC10V4.0si_V16.03.10.13_cn was discovered to contain a stack overflow via the time parameter in…

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