CVE-2025-71021

Name: CVE-2025-71021
Creator: NVD / NIST
Published: 2026-01-14T18:16:41.903+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.39%

Last modified Jun 17, 2026

CVE-2025-71021 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Tenda AX-1806 v1.0.0.1 was discovered to contain a stack overflow in the serverName parameter of the sub_65A28 function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.. EPSS estimates a 0.39% chance of exploitation in the next 30 days.

Description

Tenda AX-1806 v1.0.0.1 was discovered to contain a stack overflow in the serverName parameter of the sub_65A28 function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.39%

30.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-121

Affected Software

Vendor	Product	Versions
Tenda	Ax1806 Firmware	1.0.0.1

References

https://github.com/0-fool/VulnbyCola/blob/main/Tenda/AX-1806/7/1.mdExploit, Third Party Advisory

Timeline

Published: Jan 14, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-71021?

How severe is CVE-2025-71021?

CVE-2025-71021 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.39% probability of exploitation in the next 30 days.

How do I fix CVE-2025-71021?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-71021?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST