PT-2026-22280 · Tenda · Tenda F453

Ltzhust2 · CVE-2026-3274 · Published 2026-02-17 · Updated 2026-03-04

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 F453 version 1.0.0.3

Description A buffer overflow issue exists in the Tenda F453 router. The flaw is located in the frmL7ProtForm function within the httpd component, accessible through the /goform/L7Prot API endpoint. Remote attackers can exploit this by manipulating the page argument, leading to a buffer overflow. The exploit has been publicly released.

Recommendations Update to a newer version that contains a fix for this vulnerability.

Exploit

Fix

Buffer Overflow

Weakness Enumeration

CWE-119

CWE-120

Related Identifiers

BDU:2026-08540

CVE-2026-3274

Affected Products

Tenda F453

References · 14

• 🔥 https://github.com/Litengzheng/vul_db/blob/main/F453/vul_74/README.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-3274 · Security Note
• https://osv.dev/vulnerability/CVE-2026-3274 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-08540 · Security Note
• https://twitter.com/VulmonFeeds/status/2027305768286871992 · Twitter Post
• https://twitter.com/cracbot/status/2029149987268116494 · Twitter Post
• https://twitter.com/CveTodo/status/2027211791458066515 · Twitter Post
• https://t.me/CVEtracker/45922 · Telegram Post
• https://tenda.com.cn · Note
• https://vuldb.com/?id.347998 · Note
• https://twitter.com/CveFindCom/status/2027212466581561476 · Twitter Post
• https://vuldb.com/?submit.759621 · Note
• https://twitter.com/CVEnew/status/2027380218566938723 · Twitter Post
• https://vuldb.com/?ctiid.347998 · Note