A vulnerability has been found in Tenda F451 1.0.0.7_cn_svn7958 and classified as critical . This issue affects the function fromGstDhcpSetSer of the file /goform/GstDhcpSetSer of the component httpd . Performing a manipulation of the argument dips results in buffer overflow. This vulnerability was named CVE-2026-6630 . The attack may be initiated remotely. In addition, an exploit is available.
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✦ AI Summary· Claude Sonnet
VDB-358264 · SUBMIT #792882 · CVE-2026-6630
TENDA F451 1.0.0.7_CN_SVN7958 HTTPD /GOFORM/GSTDHCPSETSER FROMGSTDHCPSETSER DIPS BUFFER OVERFLOW
HISTORYDIFFRELATEJSONXMLCTI
CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score
8.0 $0-$5k 2.04+
Summaryinfo
A vulnerability was found in Tenda F451 1.0.0.7_cn_svn7958 and classified as critical. Impacted is the function fromGstDhcpSetSer of the file /goform/GstDhcpSetSer of the component httpd. Executing a manipulation of the argument dips can lead to buffer overflow. The identification of this vulnerability is CVE-2026-6630. The attack may be launched remotely. Furthermore, there is an exploit available.
Detailsinfo
A vulnerability classified as critical was found in Tenda F451 1.0.0.7_cn_svn7958. This vulnerability affects the function fromGstDhcpSetSer of the file /goform/GstDhcpSetSer of the component httpd. The manipulation of the argument dips with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability.
The advisory is shared for download at github.com. This vulnerability was named CVE-2026-6630. The exploitation appears to be easy. The attack can be initiated remotely. Technical details and also a public exploit are known.
It is possible to download the exploit 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-2026-6630 (🔒)
GCVE (CVE): GCVE-0-2026-6630
GCVE (VulDB): GCVE-100-358264
scip Labs: https://www.scip.ch/en/?labs.20161013
Entryinfo
Created: 04/19/2026 19:10
Changes: 04/19/2026 19:10 (58)
Complete: 🔍
Submitter: Jxm666
Cache ID: 99:510:101
Submitinfo
Accepted
Submit #792882: Tenda F451_kfw_V1.0.0.7_cn_svn7958 V1.0.0.7 Buffer Overflow (by Jxm666)
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