PT-2026-35230 · Tenda · F456

Ltzhuster · Published 2026-04-26 · Updated 2026-05-28 · CVE-2026-7101

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 buffer overflow exists in the httpd component of the firmware. The issue occurs within the fromWrlclientSet() function located in the /goform/WrlclientSet file. Additionally, the formQuickIndex() function is susceptible to an out-of-bounds memory operation when processing the mit linktype parameter. A remote attacker can exploit these flaws by sending a specially crafted POST request to cause a denial of service or execute arbitrary code.

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

Exploit

Buffer Overflow

Weakness Enumeration

CWE-120

CWE-119

Related Identifiers

BDU:2026-06119

CVE-2026-7101

Affected Products

F456

References · 14

• 🔥 https://github.com/Litengzheng/vuldb_new/blob/main/F456/vul_139/README.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-7101 · Security Note
• https://bdu.fstec.ru/vul/2026-06119 · Security Note
• https://t.me/cveNotify/165005 · Telegram Post
• https://vuldb.com/vuln/359676/cti · Note
• https://vuldb.com/vuln/359676 · Note
• https://t.me/CVEtracker/51908 · Telegram Post
• https://twitter.com/vuldb/status/2048337184231739501 · Twitter Post
• https://twitter.com/CVEnew/status/2048852238244712759 · Twitter Post
• https://twitter.com/infoflowcloud/status/2048853758872818004 · Twitter Post
• https://twitter.com/VulmonFeeds/status/2048727488071610740 · Twitter Post
• https://vuldb.com/submit/798474 · Note
• https://twitter.com/KaitanSecurity/status/2048696179320406461 · Twitter Post
• https://tenda.com.cn · Note