Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-7033— Tenda F456 SafeClientFilter fromSafeClientFilter buffer overflow

Quick assessment

Affected
Tenda F456
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Tenda F456是中国腾达（Tenda）公司的一款无线路由器。 Tenda F456 1.0.0.5版本存在缓冲区错误漏洞，该漏洞源于/goform/SafeClientFilter文件的fromSafeClientFilter函数对menufacturer/Go参数操作不当，可能导致缓冲区溢出。

CVSS 8.8 · High EPSS 1.01% · P62
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-7033

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Tenda F456 SafeClientFilter fromSafeClientFilter buffer overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been found in Tenda F456 1.0.0.5. Affected by this vulnerability is the function fromSafeClientFilter of the file /goform/SafeClientFilter. Such manipulation of the argument menufacturer/Go leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: CVE Program / CVE List V5
Vulnerability Title
Tenda F456 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tenda F456是中国腾达（Tenda）公司的一款无线路由器。 Tenda F456 1.0.0.5版本存在缓冲区错误漏洞，该漏洞源于/goform/SafeClientFilter文件的fromSafeClientFilter函数对menufacturer/Go参数操作不当，可能导致缓冲区溢出。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Tenda F456 1.0.0.5 -

II. Public POCs for CVE-2026-7033

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-7033

请登录查看更多情报信息。

Vendor Advisories for CVE-2026-7033 (1)

Proof of Concept for CVE-2026-7033 (1)

Same Patch Batch · Tenda · 2026-04-26 · 14 CVEs total

CVE-2026-7057 8.8 HIGH Tenda F456 httpd setcfm buffer overflow
CVE-2026-7056 8.8 HIGH Tenda F456 httpd SafeUrlFilter fromSafeUrlFilter buffer overflow
CVE-2026-7055 8.8 HIGH Tenda F456 httpd VirtualSer fromVirtualSer buffer overflow
CVE-2026-7054 8.8 HIGH Tenda F456 httpd PPTPDClient fromPptpUserAdd buffer overflow
CVE-2026-7053 8.8 HIGH Tenda F456 httpd L7Prot frmL7ProtForm buffer overflow
CVE-2026-7035 8.8 HIGH Tenda FH1202 httpd WrlclientSet fromWrlclientSet stack-based overflow
CVE-2026-7034 8.8 HIGH Tenda FH1202 httpd WrlExtraSet stack-based overflow
CVE-2026-7032 8.8 HIGH Tenda F456 SafeEmailFilter buffer overflow
CVE-2026-7031 8.8 HIGH Tenda F456 SafeMacFilter fromSafeMacFilter buffer overflow
CVE-2026-7030 8.8 HIGH Tenda F456 RouteStatic fromRouteStatic buffer overflow
CVE-2026-7029 8.8 HIGH Tenda F456 addressNat fromaddressNat buffer overflow
CVE-2026-7019 8.8 HIGH Tenda F456 P2pListFilter fromP2pListFilter buffer overflow
CVE-2026-7036 7.3 HIGH Tenda i9 HTTP R7WebsSecurityHandlerfunction path traversal

IV. Related Vulnerabilities

Same product: F456
Same vendor: Tenda
Same weakness: CWE-120

V. Comments for CVE-2026-7033

No comments yet

Leave a comment