PT-2026-6964 · Tenda · Tenda Tx9

Kdb3169 · Published 2026-01-27 · Updated 2026-02-13 · CVE-2026-2138

Positive Technologies (AI Summary)

CVSS v2.0

9.0

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Tenda TX9 versions up to 22.03.02.10 multi

Description A flaw exists in Tenda TX9 devices up to version 22.03.02.10 multi. The issue is due to a buffer overflow in the sub 42D03C function within the /goform/SetStaticRouteCfg file when handling the argument list. This allows for remote exploitation. The exploit has been publicly released.

Recommendations Update Tenda TX9 to a version later than 22.03.02.10 multi.

Exploit

Fix

Buffer Overflow

Weakness Enumeration

CWE-120

CWE-119

Related Identifiers

BDU:2026-02485

CVE-2026-2138

Affected Products

Tenda Tx9

References · 14

• 🔥 https://github.com/MRAdera/IoT-Vuls/blob/main/tenda/tx9%20pro/SetStaticRouteCfg.md · Exploit
• 🔥 https://github.com/MRAdera/IoT-Vuls/blob/main/tenda/tx9%20pro/SetStaticRouteCfg.md#poc · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-2138 · Security Note
• https://bdu.fstec.ru/vul/2026-02485 · Security Note
• https://osv.dev/vulnerability/CVE-2026-2138 · Vendor Advisory
• https://tenda.com.cn · Note
• https://vuldb.com/?id.344773 · Note
• https://twitter.com/CVEnew/status/2020387983229403199 · Twitter Post
• https://vuldb.com/?submit.747249 · Note
• https://t.me/CVEtracker/44088 · Telegram Post
• https://vuldb.com/?ctiid.344773 · Note
• https://t.me/cveNotify/151285 · Telegram Post
• https://twitter.com/cracbot/status/2022264553569222711 · Twitter Post
• https://twitter.com/CveFindCom/status/2020893149191643441 · Twitter Post