CVE-2025-69763
CRITICAL
2026-01-21
[email protected]
9.8
CVSS 3.1
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CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Lifecycle Timeline
3
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
PoC Detected
Jan 26, 2026 - 20:37 vuln.today
Public exploit code
CVE Published
Jan 21, 2026 - 18:16 nvd
CRITICAL 9.8
Description
Tenda AX3 firmware v16.03.12.11 contains a stack overflow in formSetIptv via the vlanId parameter, which can cause memory corruption and enable remote code execution.
Analysis
Tenda AX3 firmware has a second stack overflow in formSetIptv via the vlanId parameter, allowing remote code execution through the IPTV configuration endpoint.
Technical Context
A separate stack buffer overflow in the formSetIptv function of Tenda AX3 firmware, triggered through the 'vlanId' parameter (CWE-121). Same root cause as CVE-2025-69762 but different input vector.
Affected Products
['Tenda AX3 firmware v16.03.12.11']
Remediation
Update Tenda AX3 firmware to a version that addresses all formSetIptv overflows.
Priority Score
69
Low
Medium
High
Critical
KEV: 0
EPSS: +0.4
CVSS: +49
POC: +20
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External POC / Exploit Code
Leaving vuln.today
Destination URL
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