A vulnerability was found in Tenda F456 1.0.0.5 . It has been declared as critical . This vulnerability affects the function formWrlsafeset of the file /goform/AdvSetWrlsafeset . Executing a manipulation of the argument mit_ssid can lead to stack-based buffer overflow. This vulnerability appears as CVE-2026-6197 . The attack may be performed from remote. In addition, an exploit is available.
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✦ AI Summary· Claude Sonnet
VDB-357119 · CVE-2026-6197 · SUBMIT #357119
TENDA F456 1.0.0.5 /GOFORM/ADVSETWRLSAFESET FORMWRLSAFESET MIT_SSID STACK-BASED OVERFLOW
HISTORYDIFFRELATEJSONXMLCTI
CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score
8.0 $0-$5k 2.79+
Summaryinfo
A vulnerability was found in Tenda F456 1.0.0.5. It has been rated as critical. This issue affects the function formWrlsafeset of the file /goform/AdvSetWrlsafeset. The manipulation of the argument mit_ssid leads to stack-based overflow. This vulnerability is traded as CVE-2026-6197. It is possible to initiate the attack remotely. Furthermore, there is an exploit available.
Detailsinfo
A vulnerability was found in Tenda F456 1.0.0.5. It has been rated as critical. This issue affects the function formWrlsafeset of the file /goform/AdvSetWrlsafeset. The manipulation of the argument mit_ssid with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to 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). Impacted is confidentiality, integrity, and availability.
It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-6197. The exploitation is known to be easy. The attack may be initiated remotely. Technical details as well as a public exploit are known.
The exploit is available 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
F456
Version
1.0.0.5
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
04/13/2026 Advisory disclosed
04/13/2026 +0 days VulDB entry created
04/13/2026 +0 days VulDB entry last update
Sourcesinfo
Vendor: tenda.com.cn
Advisory: github.com
Status: Not defined
CVE: CVE-2026-6197 (🔒)
GCVE (CVE): GCVE-0-2026-6197
GCVE (VulDB): GCVE-100-357119
scip Labs: https://www.scip.ch/en/?labs.20161013
Entryinfo
Created: 04/13/2026 10:53
Changes: 04/13/2026 10:53 (57)
Complete: 🔍
Submitter: LtzHuster
Cache ID: 99:27D:101
Submitinfo
Accepted
Submit #797468: Tenda F456 v1.0.0.5 Stack-based Buffer Overflow (by LtzHuster)
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