PT-2026-2924 · Tenda · Tenda Ax1806

Published 2026-01-05 · Updated 2026-01-15 · CVE-2025-71021

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-1806 version 1.0.0.1

Description The Tenda AX-1806 router contains a stack overflow issue in the serverName parameter of the sub 65A28 function. A crafted request can trigger a Denial of Service (DoS).

Recommendations Update to a newer version that contains a fix for this vulnerability. As a temporary workaround, consider restricting access to the affected functionality until a patch is available.

Exploit

Fix

DoS

Stack Overflow

Weakness Enumeration

CWE-121

Related Identifiers

BDU:2026-00555

CVE-2025-71021

Affected Products

Tenda Ax1806

References · 6

• 🔥 https://github.com/0-fool/VulnbyCola/blob/main/Tenda/AX-1806/7/1.md · Exploit
• https://osv.dev/vulnerability/CVE-2025-71021 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-71021 · Security Note
• https://bdu.fstec.ru/vul/2026-00555 · Security Note
• https://twitter.com/VulmonFeeds/status/2011656799024267482 · Twitter Post
• https://twitter.com/CVEnew/status/2011759606578479484 · Twitter Post