BaseFortify

Publication date: 2025-11-10

Last updated on: 2025-11-18

Assigner: MITRE

Description

Tenda AX-1803 v1.0.0.1 was discovered to contain a stack overflow via the wanMTU parameter in the sub_4F55C function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2025-11-10

Last Modified

2025-11-18

Generated

2026-07-06

AI Q&A

2025-11-10

EPSS Evaluated

2026-07-05

NVD

CVE-2025-63457

Affected Vendors & Products

Vendor	Product	Version / Range
tenda	ax1803_firmware	1.0.0.1
tenda	ax1803	*

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).
CWE-787	The product writes data past the end, or before the beginning, of the intended buffer.

Attack-Flow Graph

Executive Summary

This vulnerability is a stack overflow in the Tenda AX-1803 router firmware version 1.0.0.1, specifically triggered via the wanMTU parameter in the sub_4F55C function. An attacker can exploit this by sending a specially crafted request that causes the device to overflow its stack memory.

Impact Analysis

Exploiting this vulnerability can cause a Denial of Service (DoS) on the affected device, making the router unavailable or unresponsive to legitimate network traffic.

Hi! I’m here to help you understand CVE-2025-63457. Ask me anything about the vulnerability, its impact, or mitigation strategies.

0/70