CVE-2025-71021

7.5 HIGH 0.5% exploit odds No fix listed Memory safety Network gear

What it is

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.

At a glance

Exploitability: Can be exploited over the network without logging in. High risk of service disruption.
Exploit odds: 0.5% chance of exploitation in the next 30 days (EPSS).
Fix: No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

2026-01-14 18:16 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 10:03 UTC Last updatedMost recent change to the record

Details

Published: 2026-01-14 18:16 UTC
Last modified: 2026-06-17 10:03 UTC
Exploit probability: 0.5% · EPSS, next 30 days
Weakness: CWE-121
Record status: Analyzed

Affected

Tenda ax1806 Firmware 1.0.0.1

Attack profile CVSS 3.1 · 7.5

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None
Scope: Unchanged
Confidentiality: None
Integrity: None
Availability: High

Raw vector

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

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References

https://github.com/0-fool/VulnbyCola/blob/main/Tenda/AX-1806/7/1.md

NVD record · CVE.org record