VDB-358266 · Submit #792905 · CVE-2026-6632

Tenda F451 1.0.0.7_cn_svn7958 httpd /goform/SafeClientFilter fromSafeClientFilter menufacturer/Go buffer overflow

Summaryinfo

A vulnerability was found in Tenda F451 1.0.0.7_cn_svn7958. It has been declared as critical. The impacted element is the function fromSafeClientFilter of the file /goform/SafeClientFilter of the component httpd. The manipulation of the argument menufacturer/Go results in buffer overflow. This vulnerability is identified as CVE-2026-6632. The attack can be executed remotely. Additionally, an exploit exists.

Detailsinfo

A vulnerability, which was classified as critical, was found in Tenda F451 1.0.0.7_cn_svn7958. Affected is the function fromSafeClientFilter of the file /goform/SafeClientFilter of the component httpd. The manipulation of the argument menufacturer/Go with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. This is going to have an impact on confidentiality, integrity, and availability.

The advisory is available at github.com. This vulnerability is traded as CVE-2026-6632. The exploitability is told to be easy. It is possible to launch the attack remotely. Technical details and a public exploit are known.

The exploit is shared for download at github.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Router Operating System

Vendor

Tenda

Name

F451

Version

1.0.0.7_cn_svn7958

License

commercial

Website

Vendor: https://www.tenda.com.cn/

CPE 2.3info

🔒

CPE 2.2info

🔒

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.0

VulDB Base Score: 8.8
VulDB Temp Score: 8.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

04/19/2026 Advisory disclosed
04/19/2026 +0 days VulDB entry created
04/19/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: tenda.com.cn

Advisory: github.com
Status: Not defined

CVE: CVE-2026-6632 (🔒)
GCVE (CVE): GCVE-0-2026-6632
GCVE (VulDB): GCVE-100-358266
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 04/19/2026 19:11
Changes: 04/19/2026 19:11 (58)
Complete: 🔍
Submitter: jimi666
Cache ID: 216::103

Submitinfo

Accepted

Submit #792905: Tenda F451_kfw_V1.0.0.7_cn_svn7958 V1.0.0.7 Buffer Overflow (by jimi666)