CVE-2025-69766

9.8 CRITICAL 0.8% exploit odds No fix listed Memory safety Device

What it is

Tenda AX3 firmware v16.03.12.11 contains a stack-based buffer overflow in the formGetIptv function due to improper handling of the citytag stack buffer, which may result in memory corruption and remote code execution.

At a glance

Exploitability: Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.
Exploit odds: 0.8% chance of exploitation in the next 30 days (EPSS).
Fix: No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

2026-01-21 18:16 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 10:00 UTC Last updatedMost recent change to the record

Details

Published: 2026-01-21 18:16 UTC
Last modified: 2026-06-17 10:00 UTC
Exploit probability: 0.8% · EPSS, next 30 days
Weakness: CWE-121
Record status: Analyzed

Affected

Tenda ax3 Firmware 16.03.12.11

Attack profile CVSS 3.1 · 9.8

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

Raw vector

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

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References

NVD record · CVE.org record