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 urls parameter of /goform/saveParentControlInfo.

CVSS Scores

EPSS Scores

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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-2025-65223

EUVD

EUVD-2025-198266

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-121	A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).

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 'urls' parameter of the /goform/saveParentControlInfo endpoint, which can be exploited to cause unexpected behavior or crashes.

Impact Analysis

Exploitation of this buffer overflow vulnerability could allow an attacker to cause the device to crash, behave unpredictably, or potentially execute arbitrary code, leading to denial of service or unauthorized control over the device.

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