BaseFortify

Publication date: 2025-11-20

Last updated on: 2025-11-21

Assigner: MITRE

Description

Tenda AC21 V16.03.08.16 is vulnerable to Buffer Overflow via the deviceId parameter in /goform/saveParentControlInfo.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2025-11-20

Last Modified

2025-11-21

Generated

2026-07-06

AI Q&A

2025-11-20

EPSS Evaluated

2026-07-05

NVD

CVE-2025-65226

EUVD

EUVD-2025-198268

Affected Vendors & Products

Vendor	Product	Version / Range
tenda	ac21_firmware	16.03.08.16
tenda	ac21	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-120	The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.

Attack-Flow Graph

Executive Summary

This vulnerability is a buffer overflow in the Tenda AC21 router firmware version V16.03.08.16. It occurs via the deviceId parameter in the /goform/saveParentControlInfo endpoint, which can lead to unexpected behavior or potential exploitation.

Impact Analysis

The buffer overflow vulnerability could allow an attacker to execute arbitrary code, cause a denial of service, or crash the device, potentially compromising the security and availability of the affected router.

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