PT-2026-3257 · Tenda · Tenda Ax1806

Published 2026-01-05 · Updated 2026-01-26 · CVE-2025-71020

Positive Technologies (AI Summary)

CVSS v2.0

10

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Tenda AX-1806 version 1.0.0.1

Description The Tenda AX-1806 router contains a stack overflow in the security parameter of the sub 4C408 function. Exploitation of this issue may allow a remote attacker to cause a Denial of Service (DoS) by sending a crafted request.

Recommendations Update to a newer version of Tenda AX-1806 to address this vulnerability.

Exploit

Fix

DoS

Stack Overflow

Weakness Enumeration

CWE-121

Related Identifiers

BDU:2026-00592

CVE-2025-71020

Affected Products

Tenda Ax1806

References · 7

• 🔥 https://github.com/0-fool/VulnbyCola/blob/main/Tenda/AX-1806/5/1.md · Exploit
• https://osv.dev/vulnerability/CVE-2025-71020 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-71020 · Security Note
• https://bdu.fstec.ru/vul/2026-00592 · Security Note
• https://twitter.com/VulmonFeeds/status/2012240810549342631 · Twitter Post
• https://t.me/cveNotify/149931 · Telegram Post
• https://twitter.com/CVEnew/status/2012303268941287495 · Twitter Post