PT-2026-6984 · Tenda · Tenda Rx3

Lx-66-Lx · Published 2026-02-07 · Updated 2026-02-09 · CVE-2026-2187

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 RX3 version 16.03.13.11

Description A stack-based buffer overflow exists in the set qosMib list function located in the /goform/formSetQosBand file. Manipulation of arguments to this function can trigger the overflow, allowing for remote attacks. The exploit for this issue has been made public.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Buffer Overflow

Stack Overflow

Weakness Enumeration

CWE-119

CWE-121

Related Identifiers

BDU:2026-02492

CVE-2026-2187

Affected Products

Tenda Rx3

References · 13

• 🔥 https://github.com/LX-66-LX/cve-new/issues/8 · Exploit
• https://osv.dev/vulnerability/CVE-2026-2187 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-02492 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-2187 · Security Note
• https://t.me/CVEtracker/44135 · Telegram Post
• https://vuldb.com/?id.344890 · Note
• https://tenda.com.cn · Note
• https://twitter.com/vuldb/status/2020427937280106577 · Twitter Post
• https://twitter.com/CVEnew/status/2020609175785701712 · Twitter Post
• https://vuldb.com/?ctiid.344890 · Note
• https://twitter.com/CveFindCom/status/2020621505743233138 · Twitter Post
• https://t.me/cveNotify/151331 · Telegram Post
• https://vuldb.com/?submit.749721 · Note