How severe is CVE-2025-44899?

CVE-2025-44899 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-2025-44899 being actively exploited?

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

What products are affected by CVE-2025-44899?

CVE-2025-44899 affects Tenda Rx3 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-44899?

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-2025-44899 have an EU (EUVD) identifier?

Yes. CVE-2025-44899 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-13647.

When was CVE-2025-44899 published?

CVE-2025-44899 was published on 2025-05-06 and last updated on 2026-06-17.

CVE-2025-44899

CVE-2025-44899 is a critical-severity vulnerability in Tenda Rx3 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-121.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 0% (30th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-13647
Weakness: CWE-121
Affected product: Tenda Rx3 Firmware
Published: 2025-05-06
Last modified: 2026-06-17

Description

There is a stack overflow vulnerability in Tenda RX3 V1.0br_V16.03.13.11 In the fromSetWifiGusetBasic function of the web url /goform/ WifiGuestSet, the manipulation of the parameter shareSpeed leads to stack overflow.

Frequently asked questions

What is CVE-2025-44899?: There is a stack overflow vulnerability in Tenda RX3 V1.0br_V16.03.13.11 In the fromSetWifiGusetBasic function of the web url /goform/ WifiGuestSet, the manipulation of the parameter shareSpeed leads to stack overflow.
How severe is CVE-2025-44899?: CVE-2025-44899 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-2025-44899 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-44899?: CVE-2025-44899 affects Tenda Rx3 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-44899?: 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-2025-44899 have an EU (EUVD) identifier?: Yes. CVE-2025-44899 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-13647.
When was CVE-2025-44899 published?: CVE-2025-44899 was published on 2025-05-06 and last updated on 2026-06-17.

References

https://github.com/faqiadegege/IoTVuln/blob/main/tenda_RX3_fromSetWifiGusetBasic_shareSpeed_overflow/detail.md

Affected products (1)

cpe:2.3:o:tenda:rx3_firmware:16.03.13.11_multi:*:*:*:*:*:*:*

More vulnerabilities in Tenda Rx3 Firmware

CVE-2026-2187 — High (CVSS 8.8): A vulnerability was found in Tenda RX3 16.03.13.11. The affected element is the function set_qosMib_list of the file…
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