How severe is CVE-2025-63455?

CVE-2025-63455 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-63455 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-63455?

CVE-2025-63455 affects Tenda Ax3 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-63455?

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-2025-63455 have an EU (EUVD) identifier?

Yes. CVE-2025-63455 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-48939.

When was CVE-2025-63455 published?

CVE-2025-63455 was published on 2025-11-10 and last updated on 2026-06-17.

CVE-2025-63455

CVE-2025-63455 is a high-severity vulnerability in Tenda Ax3 Firmware with a CVSS 3.x base score of 7.5. 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-121.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (29th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-48939
Weakness: CWE-121
Affected product: Tenda Ax3 Firmware
Published: 2025-11-10
Last modified: 2026-06-17

Description

Tenda AX-3 v16.03.12.10_CN was discovered to contain a stack overflow via the shareSpeed parameter in the fromSetWifiGusetBasic function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.

Frequently asked questions

What is CVE-2025-63455?: Tenda AX-3 v16.03.12.10_CN was discovered to contain a stack overflow via the shareSpeed parameter in the fromSetWifiGusetBasic function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.
How severe is CVE-2025-63455?: CVE-2025-63455 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-63455 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-63455?: CVE-2025-63455 affects Tenda Ax3 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-63455?: 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-2025-63455 have an EU (EUVD) identifier?: Yes. CVE-2025-63455 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-48939.
When was CVE-2025-63455 published?: CVE-2025-63455 was published on 2025-11-10 and last updated on 2026-06-17.

References

https://github.com/0-fool/VulnbyCola/blob/main/Tenda/AX-3/6/1.md

Affected products (1)

cpe:2.3:o:tenda:ax3_firmware:16.03.12.10:*:*:*:*:*:*:*

More vulnerabilities in Tenda Ax3 Firmware

CVE-2025-69764 — Critical (CVSS 9.8): Tenda AX3 firmware v16.03.12.11 contains a stack-based buffer overflow in the formGetIptv function due to improper…
CVE-2025-69766 — Critical (CVSS 9.8): Tenda AX3 firmware v16.03.12.11 contains a stack-based buffer overflow in the formGetIptv function due to improper…
CVE-2025-69763 — Critical (CVSS 9.8): Tenda AX3 firmware v16.03.12.11 contains a stack overflow in formSetIptv via the vlanId parameter, which can cause…
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CVE-2023-51812 — Critical (CVSS 9.8): Tenda AX3 v16.03.12.11 was discovered to contain a remote code execution (RCE) vulnerability via the list parameter at…
CVE-2023-49409 — Critical (CVSS 9.8): Tenda AX3 V16.03.12.11 was discovered to contain a Command Execution vulnerability via the function /goform/telnet.

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