A vulnerability marked as critical has been reported in Tenda F451 1.0.0.7_cn_svn7958 . This vulnerability affects the function fromqossetting of the file /goform/qossetting . Performing a manipulation of the argument qos results in stack-based buffer overflow. This vulnerability is reported as CVE-2026-6134 . The attack is possible to be carried out remotely. Moreover, an exploit is present.
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✦ AI Summary· Claude Sonnet
VDB-356998 · CVE-2026-6134 · SUBMIT #356998
TENDA F451 1.0.0.7_CN_SVN7958 /GOFORM/QOSSETTING FROMQOSSETTING QOS STACK-BASED OVERFLOW
HISTORYDIFFRELATEJSONXMLCTI
CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score
8.0 $0-$5k 1.62+
Summaryinfo
A vulnerability described as critical has been identified in Tenda F451 1.0.0.7_cn_svn7958. This issue affects the function fromqossetting of the file /goform/qossetting. Executing a manipulation of the argument qos can lead to stack-based overflow. This vulnerability appears as CVE-2026-6134. The attack may be performed from remote. In addition, an exploit is available.
Detailsinfo
A vulnerability has been found in Tenda F451 1.0.0.7_cn_svn7958 and classified as critical. This vulnerability affects the function fromqossetting of the file /goform/qossetting. The manipulation of the argument qos with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). As an impact it is known to affect confidentiality, integrity, and availability.
The advisory is available at github.com. This vulnerability was named CVE-2026-6134. 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: Stack-based overflow
CWE: CWE-121 / 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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Threat Intelligenceinfo
Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍
Countermeasuresinfo
Recommended: no mitigation known
Status: 🔍
0-Day Time: 🔒
Timelineinfo
04/12/2026 Advisory disclosed
04/12/2026 +0 days VulDB entry created
04/12/2026 +0 days VulDB entry last update
Sourcesinfo
Vendor: tenda.com.cn
Advisory: github.com
Status: Not defined
CVE: CVE-2026-6134 (🔒)
GCVE (CVE): GCVE-0-2026-6134
GCVE (VulDB): GCVE-100-356998
scip Labs: https://www.scip.ch/en/?labs.20161013
Entryinfo
Created: 04/12/2026 09:27
Changes: 04/12/2026 09:27 (57)
Complete: 🔍
Submitter: Jxm666
Cache ID: 99:95F:101
Submitinfo
Accepted
Submit #792876: Tenda F451_kfw_V1.0.0.7_cn_svn7958 V1.0.0.7 Buffer Overflow (by Jxm666)
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