PT-2026-47438 · Tenda · F451

Hacker128 · Published 2026-06-08 · Updated 2026-06-08 · CVE-2026-11557

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 F451 versions 1.0.0.7 through 1.0.0.9

Description A stack-based buffer overflow can be triggered remotely via the Web Management Interface. The issue exists within the fromNatlimit() function located in the /goform/Natlimit file, where improper manipulation of the page argument allows for the overflow.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability. As a temporary workaround, restrict access to the /goform/Natlimit endpoint to minimize the risk of exploitation.

Exploit

Buffer Overflow

Stack Overflow

Weakness Enumeration

CWE-119

CWE-121

Related Identifiers

CVE-2026-11557

Affected Products

F451

References · 8

• 🔥 https://github.com/Robots10/IoT_vlu/blob/main/reports/Tenda/fromNatlimit/fromNatlimit.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-11557 · Security Note
• https://vuldb.com/submit/836477 · Note
• https://vuldb.com/vuln/369167 · Note
• https://tenda.com.cn · Note
• https://twitter.com/vuldb/status/2063976390647824504 · Twitter Post
• https://vuldb.com/cve/CVE-2026-11557 · Note
• https://vuldb.com/vuln/369167/cti · Note