A vulnerability was found in Tenda FH1201 1.2.0.14(408) . It has been declared as critical . Affected is the function formWrlExtraSet of the file /goform/WrlExtraSet of the component Parameter Handler . Executing a manipulation of the argument GO can lead to stack-based buffer overflow. This vulnerability appears as CVE-2026-5046 . The attack may be performed from remote. In addition, an exploit is available.
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✦ AI Summary· Claude Sonnet
VDB-353969 · CVE-2026-5046 · GCVE-100-353969
TENDA FH1201 1.2.0.14(408) PARAMETER /GOFORM/WRLEXTRASET FORMWRLEXTRASET GO STACK-BASED OVERFLOW
HISTORYDIFFRELATEJSONXMLCTI
CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score
8.0 $0-$5k 3.32+
Summaryinfo
A vulnerability was found in Tenda FH1201 1.2.0.14(408). It has been rated as critical. Affected by this vulnerability is the function formWrlExtraSet of the file /goform/WrlExtraSet of the component Parameter Handler. The manipulation of the argument GO leads to stack-based overflow. This vulnerability is traded as CVE-2026-5046. It is possible to initiate the attack remotely. Furthermore, there is an exploit available.
Detailsinfo
A vulnerability was found in Tenda FH1201 1.2.0.14(408). It has been rated as critical. This issue affects the function formWrlExtraSet of the file /goform/WrlExtraSet of the component Parameter Handler. The manipulation of the argument GO 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.
The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-5046. 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
FH1201
Version
1.2.0.14(408)
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
03/27/2026 Advisory disclosed
03/27/2026 +0 days VulDB entry created
03/27/2026 +0 days VulDB entry last update
Sourcesinfo
Vendor: tenda.com.cn
Advisory: github.com
Status: Not defined
CVE: CVE-2026-5046 (🔒)
GCVE (CVE): GCVE-0-2026-5046
GCVE (VulDB): GCVE-100-353969
scip Labs: https://www.scip.ch/en/?labs.20161013
Entryinfo
Created: 03/27/2026 17:43
Changes: 03/27/2026 17:43 (58)
Complete: 🔍
Submitter: LtzHuster2
Cache ID: 99:E8E:101
Submitinfo
Accepted
Submit #779127: Tenda FH1201 1.2.0.14(408) Stack-based Buffer Overflow (by LtzHuster2)
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