A vulnerability was found in Tenda F451 1.0.0.7_cn_svn7958 . It has been classified as critical . The affected element is the function fromSafeClientFilter of the file /goform/SafeClientFilter of the component httpd . The manipulation of the argument menufacturer/Go leads to buffer overflow. This vulnerability is referenced as CVE-2026-6632 . Remote exploitation of the attack is possible. Furthermore, an exploit is available.
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✦ AI Summary· Claude Sonnet
VDB-358266 · SUBMIT #792905 · CVE-2026-6632
TENDA F451 1.0.0.7_CN_SVN7958 HTTPD /GOFORM/SAFECLIENTFILTER FROMSAFECLIENTFILTER MENUFACTURER/GO BUFFER OVERFLOW
HISTORYDIFFRELATEJSONXMLCTI
CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score
8.0 $0-$5k 2.27+
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.
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
Vector Complexity Authentication Confidentiality Integrity Availability
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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: 🔒
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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: 99:261:101
Submitinfo
Accepted
Submit #792905: Tenda F451_kfw_V1.0.0.7_cn_svn7958 V1.0.0.7 Buffer Overflow (by jimi666)
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