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 in: /goform/SetVirtualServerCfg via the list parameter.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2025-11-20

Last Modified

2025-11-21

Generated

2026-07-07

AI Q&A

2025-11-20

EPSS Evaluated

2026-07-05

NVD

CVE-2025-65220

EUVD

EUVD-2025-198263

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 in the /goform/SetVirtualServerCfg endpoint via the list parameter, which means that improper handling of input data can lead to memory corruption.

Impact Analysis

The buffer overflow vulnerability can potentially allow an attacker to execute arbitrary code, cause a denial of service, or crash the device, leading to loss of control over the router and possible compromise of the network.

Hi! I’m here to help you understand CVE-2025-65220. Ask me anything about the vulnerability, its impact, or mitigation strategies.

0/70