PT-2026-3773 · Tenda · Tenda Ax1803

Published 2026-01-21 · Updated 2026-01-26 · CVE-2025-70651

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions Tenda AX-1803 version 1.0.0.1

Description The Tenda AX-1803 router contains a stack overflow in the ssid parameter of the form fast setting wifi set() function. This issue allows attackers to cause a Denial of Service (DoS) by sending a crafted request. The vulnerable parameter is ssid, and the vulnerable function is form fast setting wifi set().

Recommendations Update to a newer version that contains a fix for this vulnerability. As a temporary workaround, consider restricting or disabling the use of the form fast setting wifi set() function until a patch is available.

Exploit

Fix

DoS

Stack Overflow

Weakness Enumeration

CWE-121

Related Identifiers

BDU:2026-00947

CVE-2025-70651

Affected Products

Tenda Ax1803

References · 7

• 🔥 https://github.com/0-fool/VulnbyCola/blob/main/Tenda/AX-1803/4/1.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2025-70651 · Security Note
• https://bdu.fstec.ru/vul/2026-00947 · Security Note
• https://osv.dev/vulnerability/CVE-2025-70651 · Vendor Advisory
• https://twitter.com/cracbot/status/2015741562102403278 · Twitter Post
• https://twitter.com/VulmonFeeds/status/2014018152619790723 · Twitter Post
• https://twitter.com/CVEnew/status/2014004469546340816 · Twitter Post