PT-2026-32502 · Tenda · F456

Ltzhuster · Published 2026-04-13 · Updated 2026-04-14 · CVE-2026-6199

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 F456 version 1.0.0.5

Description A stack-based buffer overflow exists in the fromqossetting() function of the '/goform/qossetting' endpoint. The issue is triggered by the manipulation of the page variable, which allows for remote attacks.

Recommendations As a temporary workaround, restrict access to the '/goform/qossetting' endpoint or the fromqossetting() function. 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

CVE-2026-6199

Affected Products

F456

References · 9

• 🔥 https://github.com/Litengzheng/vuldb_new/blob/main/F456/vul_116/README.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-6199 · Security Note
• https://tenda.com.cn · Note
• https://twitter.com/CVEnew/status/2043976214830776749 · Twitter Post
• https://vuldb.com/submit/797471 · Note
• https://twitter.com/CveFindCom/status/2043776932920111205 · Twitter Post
• https://vuldb.com/vuln/357121 · Note
• https://twitter.com/infoflowcloud/status/2043977865843102140 · Twitter Post
• https://vuldb.com/vuln/357121/cti · Note